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All questions of Data Interpretation for RRB NTPC/ASM/CA/TA Exam
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the expenditure of Company Y in 1997 was Rs. 220 crores, what was its income in 1997?- a)Rs. 312 crores
- b)Rs. 297 crores
- c)Rs. 283 crores
- d)Rs. 275 crores
Correct answer is option 'B'. Can you explain this answer?
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the expenditure of Company Y in 1997 was Rs. 220 crores, what was its income in 1997?
If the expenditure of Company Y in 1997 was Rs. 220 crores, what was its income in 1997?
a)
Rs. 312 crores
b)
Rs. 297 crores
c)
Rs. 283 crores
d)
Rs. 275 crores
|
Anaya Patel answered |
The correct anwer is B as profit percent of Company Y in 1997 = 35.
Let the income of Company Y in 1997 be Rs. x crores.
Then, 35 =
x - 220
x 100
x = 297.
220
Income of Company Y in 1997
= Rs. 297 crores.
Let the income of Company Y in 1997 be Rs. x crores.
Then, 35 =
x - 220
x 100
220
= Rs. 297 crores.
Study the following graph and answer the questions that follow.Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. What is the difference between the number of candidates appeared from institutions B, C, D and F together and candidates passed from institutions A, E and G together?- a)100
- b)900
- c)1000
- d)540
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. What is the difference between the number of candidates appeared from institutions B, C, D and F together and candidates passed from institutions A, E and G together?
a)
100
b)
900
c)
1000
d)
540
e)
None of these
|
Nikita Singh answered |
Required difference:-
=> ( 14+7+12+6) -(12+12+5)
=> 39 - 29 = 10 hundred
=> 1000
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the expenditures of Company X and Y in 1996 were equal and the total income of the two Companies in 1996 was Rs. 342 crores, what was the total profit of the two Companies together in 1996? (Profit = Income - Expenditure)- a)Rs. 240 crores
- b)Rs. 171 crores
- c)Rs. 120 crores
- d)Rs. 102 crores
Correct answer is option 'D'. Can you explain this answer?
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the expenditures of Company X and Y in 1996 were equal and the total income of the two Companies in 1996 was Rs. 342 crores, what was the total profit of the two Companies together in 1996? (Profit = Income - Expenditure)
If the expenditures of Company X and Y in 1996 were equal and the total income of the two Companies in 1996 was Rs. 342 crores, what was the total profit of the two Companies together in 1996? (Profit = Income - Expenditure)
a)
Rs. 240 crores
b)
Rs. 171 crores
c)
Rs. 120 crores
d)
Rs. 102 crores
|
|
Roy Kunal Singh answered |
Simple,
Total Income = 342 cr
Income in percentage = 140+145=285%
Expenditure per year= 200×342/285 = 240 cr
So total profit in 1996 = 342 - 240 = 102 cr
Total Income = 342 cr
Income in percentage = 140+145=285%
Expenditure per year= 200×342/285 = 240 cr
So total profit in 1996 = 342 - 240 = 102 cr
Study the following line graph and answer the questions.Exports from Three Companies Over the Years (in Rs. crore)
Q.
In how many of the given years, were the exports from Company Z more than the average annual exports over the given years?- a)2
- b)3
- c)4
- d)5
Correct answer is option 'C'. Can you explain this answer?
Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore)
Q.
In how many of the given years, were the exports from Company Z more than the average annual exports over the given years?
In how many of the given years, were the exports from Company Z more than the average annual exports over the given years?
a)
2
b)
3
c)
4
d)
5
|
Faizan Khan answered |
Average annual exports of Company Z during the given period
= 1/7 x (60 + 90 + 120 + 90 + 60 + 80 + 100)
= Rs. ( 600 /7)crores
= Rs. 85.71 crores.
From the analysis of graph the exports of Company Z are more than the average annual exports of Company Z (i.e., Rs. 85.71 crores) during the years 1994, 1995, 1996 and 1999, i.e., during 4 of the given years.
= 1/7 x (60 + 90 + 120 + 90 + 60 + 80 + 100)
= Rs. ( 600 /7)crores
= Rs. 85.71 crores.
From the analysis of graph the exports of Company Z are more than the average annual exports of Company Z (i.e., Rs. 85.71 crores) during the years 1994, 1995, 1996 and 1999, i.e., during 4 of the given years.
The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.
Distribution of students at graduate and post-graduate levels in seven institutes:
Total number of students of graduate level = 27300 
Total number of students of post – graduate level = 24700
Q.What is the ratio between the number of students studying at post-graduate level from institutes S and the number of students studying at graduate level from institute Q?- a)13 : 19
- b)21 : 13
- c)13 : 8
- d)19 : 13
Correct answer is option 'D'. Can you explain this answer?
The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.
Distribution of students at graduate and post-graduate levels in seven institutes:
Total number of students of graduate level = 27300
Distribution of students at graduate and post-graduate levels in seven institutes:
Total number of students of graduate level = 27300
Total number of students of post – graduate level = 24700
Q.
What is the ratio between the number of students studying at post-graduate level from institutes S and the number of students studying at graduate level from institute Q?
a)
13 : 19
b)
21 : 13
c)
13 : 8
d)
19 : 13
|
Dia Mehta answered |
The correct answer is D
as THE RATIO WIL BE
21% of 24700) / (13% of 27300)
=(21*247)/(13*273)
=(3*247)/(13*39)
=(3*19)/(1*39)
=19/13
Ratio = 19:13
as THE RATIO WIL BE
21% of 24700) / (13% of 27300)
=(21*247)/(13*273)
=(3*247)/(13*39)
=(3*19)/(1*39)
=19/13
Ratio = 19:13
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. What is the average water level of River –A in all the four months together? - a)224.50 m
- b)212.25 m
- c)210.75 m
- d)222.25 m
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. What is the average water level of River –A in all the four months together?
a)
224.50 m
b)
212.25 m
c)
210.75 m
d)
222.25 m
e)
None of these
|
Shanaya Sharma answered |
Average water level of river A = (196+205+230+212)/4 = 210.75 m
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. What is the difference between the number of flights cancelled in Assam in the year 2007 and the total number of flights cancelled in Rajasthan in the year 2005, 2007 and 2008 together?
- a)200
- b)230
- c)210
- d)240
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. What is the difference between the number of flights cancelled in Assam in the year 2007 and the total number of flights cancelled in Rajasthan in the year 2005, 2007 and 2008 together?
a)
200
b)
230
c)
210
d)
240
e)
None of these
|
Ananya Vats answered |
No. of flights cancelled in Assam in year 2007 = 2.7 i.e 270
total no. of flights cancelled in Rajasthan in year 2005,2007 and 2008 together = 0.7 + 1.8 + 2.2 = 4.7
therefore, the difference b/w them will be = 470-270
= 200
total no. of flights cancelled in Rajasthan in year 2005,2007 and 2008 together = 0.7 + 1.8 + 2.2 = 4.7
therefore, the difference b/w them will be = 470-270
= 200
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the incomes of two Companies were equal in 1999, then what was the ratio of expenditure of Company X to that of Company Y in 1999 ?- a)6:5
- b)5:6
- c)11:6
- d)16:15
Correct answer is option 'D'. Can you explain this answer?
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the incomes of two Companies were equal in 1999, then what was the ratio of expenditure of Company X to that of Company Y in 1999 ?
If the incomes of two Companies were equal in 1999, then what was the ratio of expenditure of Company X to that of Company Y in 1999 ?
a)
6:5
b)
5:6
c)
11:6
d)
16:15
|
|
Anaya Patel answered |
The correct answer is D
In 1999 , profit % of X = 50
profit% of Y = 60
Also , let their income in 1999 be i each and expenditure of X be x and that of Y be y.
For X ,
50 = (i - x)*100/x
1/2 = (i - x)/x
x/2 = i - x
i = 3x/2 (eq1)
For Y ,
60 = (i - y)*100/y
3/5 = (i - y)/y
3y/5 = i - y
i = 8y/5(eq 2)
Equating eq 1and 2 , we get
3x/2 = 8y/5
x/y = 16/15
x : y = 16:15
In 1999 , profit % of X = 50
profit% of Y = 60
Also , let their income in 1999 be i each and expenditure of X be x and that of Y be y.
For X ,
50 = (i - x)*100/x
1/2 = (i - x)/x
x/2 = i - x
i = 3x/2 (eq1)
For Y ,
60 = (i - y)*100/y
3/5 = (i - y)/y
3y/5 = i - y
i = 8y/5(eq 2)
Equating eq 1and 2 , we get
3x/2 = 8y/5
x/y = 16/15
x : y = 16:15
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. What was the average number of flights cancelled in all the state together in the year 2008?- a)278
- b)232
- c)238
- d)272
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. What was the average number of flights cancelled in all the state together in the year 2008?
a)
278
b)
232
c)
238
d)
272
e)
None of these
|
|
Kunal Vats answered |
Average = 2008 total sum/5.
so, 1.4+1.5+2.2+1.3+5.5 = 11.9×100/5=238
so, 1.4+1.5+2.2+1.3+5.5 = 11.9×100/5=238
(Q.no: 16-20). Refer to the following table and answer the given questions.
If the number of male post graduate employees in company W is 1488, what percent of the female employees in that particular company are post graduate?- a)75%
- b) 100%
- c)74%
- d)73%
- e)72%
Correct answer is option 'B'. Can you explain this answer?
(Q.no: 16-20). Refer to the following table and answer the given questions.
If the number of male post graduate employees in company W is 1488, what percent of the female employees in that particular company are post graduate?
a)
75%
b)
100%
c)
74%
d)
73%
e)
72%
|
Preeti Khanna answered |
Number of Females in Company W = 3360 *(5/14) = 1200
Number of Post graduate employees in Company W = 3360 *(80/100) = 2688
Number of female post graduate employees in Company W = 2688 – 1488 = 1200
Required Percentage = (1200 * 100)/1200 = 100%
Number of Post graduate employees in Company W = 3360 *(80/100) = 2688
Number of female post graduate employees in Company W = 2688 – 1488 = 1200
Required Percentage = (1200 * 100)/1200 = 100%
Study the following table carefully to answer the questions that follow:
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Q. What is the number of passed students for all the classes together in the year 2007? - a)358
- b)317
- c)350
- d)327
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following table carefully to answer the questions that follow:
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Q. What is the number of passed students for all the classes together in the year 2007?
a)
358
b)
317
c)
350
d)
327
e)
None of these
|
|
Prity Biswas answered |
VI=72-12=60
VII=76-7=69
VIII=84-5=79
IX=80-5=75
X=72-5=67
TOTAL = 60+69+79+75+67=350(C)
VII=76-7=69
VIII=84-5=79
IX=80-5=75
X=72-5=67
TOTAL = 60+69+79+75+67=350(C)
Study the following table carefully to answer the questions that follow:
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Q. What is the average number of failed students from Class VIII for the given years? - a)9
- b)7
- c)6
- d)8
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Study the following table carefully to answer the questions that follow:
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Q. What is the average number of failed students from Class VIII for the given years?
a)
9
b)
7
c)
6
d)
8
e)
None of these
|
|
Shivam Singh answered |
(11+06+09+12+10+05+03) /7=8. option-'D'
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. What is the average number of candidates passed from all the institutions together?
- a)700
- b)490
- c)350
- d)675
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. What is the average number of candidates passed from all the institutions together?
a)
700
b)
490
c)
350
d)
675
e)
None of these
|
|
Gopu Gajpal answered |
(1200+1000+400+400+1200+200+500)/7=700
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. What is the ratio of the number of candidates who have failed Institution B to the number of candidates who have appeared from institution F?- a)2: 5
- b)2: 3
- c)4: 3
- d)1: 3
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. What is the ratio of the number of candidates who have failed Institution B to the number of candidates who have appeared from institution F?
a)
2: 5
b)
2: 3
c)
4: 3
d)
1: 3
e)
None of these
|
Tusharvyas Tusharvyas answered |
From B 1400 appeared and 1000 passed it means 400 failed and from F 600 appeared so
400:600 makes 2:3
400:600 makes 2:3
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. What was the respective ratio between the number of flights cancelled in Rajasthan in the year 2006 and number of flights cancelled in West Bengal in the year 2009?- a)1 : 6
- b)15:2
- c)1 : 30
- d)30 : 7
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. What was the respective ratio between the number of flights cancelled in Rajasthan in the year 2006 and number of flights cancelled in West Bengal in the year 2009?
a)
1 : 6
b)
15:2
c)
1 : 30
d)
30 : 7
e)
None of these
|
Sajal Bdw answered |
Required ratio =0.2/6
=2/60
=1/30 ANS
=2/60
=1/30 ANS
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. If the water level of River-A in July is decreased by 20%, then what will be the water level of River-A in July - a)156m
- b)162m
- c)164m
- d)152m
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. If the water level of River-A in July is decreased by 20%, then what will be the water level of River-A in July
a)
156m
b)
162m
c)
164m
d)
152m
e)
None of these
|
|
Kunal Vats answered |
River A water level July = 205 m
20% Decrease = 205 - 20.5×2 = 164m Ans.
20% Decrease = 205 - 20.5×2 = 164m Ans.
Study the following line graph and answer the questions.Exports from Three Companies Over the Years (in Rs. crore)
Q.
What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?- a)Rs. 15.33 crores
- b)Rs. 18.67 crores
- c)Rs. 20 crores
- d)Rs. 22.17 crores
Correct answer is option 'C'. Can you explain this answer?
Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore)
Q.
What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?
What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?
a)
Rs. 15.33 crores
b)
Rs. 18.67 crores
c)
Rs. 20 crores
d)
Rs. 22.17 crores
|
|
Prity Biswas answered |
1993=80+60+30/3=170/3=56.7(apx.) & 1998=50+80+100/3=230/3=76.7(apx) therefore, 76.7-56.7=20
Study the following line graph and answer the questions based on it.Number of Vehicles Manufactured by Two companies over the Years (Number in Thousands)
Q.
What is the average numbers of vehicles manufactured by Company X over the given period? (rounded off to nearest integer)- a)119333
- b)113666
- c)112778
- d)111223
Correct answer is option 'A'. Can you explain this answer?
Study the following line graph and answer the questions based on it.
Number of Vehicles Manufactured by Two companies over the Years (Number in Thousands)
Q.
What is the average numbers of vehicles manufactured by Company X over the given period? (rounded off to nearest integer)
What is the average numbers of vehicles manufactured by Company X over the given period? (rounded off to nearest integer)
a)
119333
b)
113666
c)
112778
d)
111223
|
|
Faizan Khan answered |
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
Q. What was the ratio of the number of candidates qualified in the written test in the year 2002 for admission to institution B to the number of candidates qualified in the written test in the year 2006 for admission to institution A?- a)8 : 5
- b)7 : 4
- c)7 : 8
- d)7 : 5
- e)8 : 7
Correct answer is option 'C'. Can you explain this answer?
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
Q. What was the ratio of the number of candidates qualified in the written test in the year 2002 for admission to institution B to the number of candidates qualified in the written test in the year 2006 for admission to institution A?
a)
8 : 5
b)
7 : 4
c)
7 : 8
d)
7 : 5
e)
8 : 7
|
|
Prakhya Shrivastava answered |
Candidates qualified by institution B in 2002 by graph let X = 3.5×1000= 3500
Candidates qualified by institution A in 2006 by graph let Y = 4×1000 = 4000
Rati of X&Y = X:Y = 3500:4000 = 7:8
Hence option 'C' is correct
Candidates qualified by institution A in 2006 by graph let Y = 4×1000 = 4000
Rati of X&Y = X:Y = 3500:4000 = 7:8
Hence option 'C' is correct
Study the following line graph and answer the questions based on it.Number of Vehicles Manufactured by Two companies over the Years (Number in Thousands)
Q.
What is the difference between the number of vehicles manufactured by Company Y in 2000 and 2001?- a)50000
- b)42000
- c)33000
- d)21000
Correct answer is option 'D'. Can you explain this answer?
Study the following line graph and answer the questions based on it.
Number of Vehicles Manufactured by Two companies over the Years (Number in Thousands)
Q.
What is the difference between the number of vehicles manufactured by Company Y in 2000 and 2001?
What is the difference between the number of vehicles manufactured by Company Y in 2000 and 2001?
a)
50000
b)
42000
c)
33000
d)
21000
|
|
Shanaya Sharma answered |
(Units are in thousands)
In 2000 , Y had 128000 units
and in 2001 , Y had 107000 units
128000 - 107000 = 21000 , i.e. , d)
In 2000 , Y had 128000 units
and in 2001 , Y had 107000 units
128000 - 107000 = 21000 , i.e. , d)
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
The incomes of two Companies X and Y in 2000 were in the ratio of 3:4 respectively. What was the respective ratio of their expenditures in 2000?- a)7:22
- b)14:19
- c)15:22
- d)27:35
Correct answer is option 'C'. Can you explain this answer?
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
The incomes of two Companies X and Y in 2000 were in the ratio of 3:4 respectively. What was the respective ratio of their expenditures in 2000?
The incomes of two Companies X and Y in 2000 were in the ratio of 3:4 respectively. What was the respective ratio of their expenditures in 2000?
a)
7:22
b)
14:19
c)
15:22
d)
27:35
|
|
Dia Mehta answered |
The correct answer is C
Let the incomes in 2000 of Companies X and Y be 3x and 4x respectively.
And let the expenditures in 2000 of Companies X and Y be E1 and E2 respectively.
Then, for Company X we have:
65 =[( 3x - E1 )/E1]×100 =>65/100 = (3x/E1) - 1
=> E1 = 3x×( 100/165 ) .... (i)
For Company Y we have:
50 = [(4x - E2 )/E2]x 100 =>50/100= (4x/E1) - 1 => E2 = 4x×( 100/150 ) .... (ii)
From (i) and (ii), we get:
E1/E2=[3x ×(100/165)]/[4x×(100/150)]
E1/E2=15/22 (required ratio)
Let the incomes in 2000 of Companies X and Y be 3x and 4x respectively.
And let the expenditures in 2000 of Companies X and Y be E1 and E2 respectively.
Then, for Company X we have:
65 =[( 3x - E1 )/E1]×100 =>65/100 = (3x/E1) - 1
=> E1 = 3x×( 100/165 ) .... (i)
For Company Y we have:
50 = [(4x - E2 )/E2]x 100 =>50/100= (4x/E1) - 1 => E2 = 4x×( 100/150 ) .... (ii)
From (i) and (ii), we get:
E1/E2=[3x ×(100/165)]/[4x×(100/150)]
E1/E2=15/22 (required ratio)
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. From which institution is the difference between the appeared candidates and passed candidates the maximum?
- a)B
- b)G
- c)D
- d)F
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. From which institution is the difference between the appeared candidates and passed candidates the maximum?
a)
B
b)
G
c)
D
d)
F
e)
None of these
|
Knowledge Center answered |
Correct answer is C.
In D institution, Appeared Candidates are 12
Passed Candidate are 4
So, the difference between the appeared candidates and passed candidates = 8.
Difference between the appeared candidates and passed candidates the maximum in D institution.
In D institution, Appeared Candidates are 12
Passed Candidate are 4
So, the difference between the appeared candidates and passed candidates = 8.
Difference between the appeared candidates and passed candidates the maximum in D institution.
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. What was the respective ratio between the water level of River – C in September and the water level of River – B in June?- a)91 : 101
- b)94 : 101
- c)51 : 103
- d)31 : 101
- e)92:101
Correct answer is option 'E'. Can you explain this answer?
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. What was the respective ratio between the water level of River – C in September and the water level of River – B in June?
a)
91 : 101
b)
94 : 101
c)
51 : 103
d)
31 : 101
e)
92:101
|
|
Ananya Vats answered |
Water level of river C in September= 184 m
water level of river B in June= 202 m
Ratio b/w the level of both the rivers= 184:202
=> 92:101
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. What is the total monthly expenditure made by D on rent, B on clothes and E on traveling together?- a)Rs. 18, 720
- b)Rs. 1,78,200
- c)Rs. 17, 800
- d)Rs. 1,84,720
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. What is the total monthly expenditure made by D on rent, B on clothes and E on traveling together?
a)
Rs. 18, 720
b)
Rs. 1,78,200
c)
Rs. 17, 800
d)
Rs. 1,84,720
e)
None of these
|
|
Prity Biswas answered |
9650+2750+5420=17820(b)
Study the following table carefully to answer the questions that follow.Number of flights (in hundreds) cancelled in five different sates during six different years
Q. Number of flights cancelled in Haryana in the year 2004 was what percent of the total number of flights cancelled in Punjab over all the years together? - a)12
- b)32
- c)36
- d)24
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Study the following table carefully to answer the questions that follow.
Number of flights (in hundreds) cancelled in five different sates during six different years
Q. Number of flights cancelled in Haryana in the year 2004 was what percent of the total number of flights cancelled in Punjab over all the years together?
a)
12
b)
32
c)
36
d)
24
e)
None of these
|
Richa Shukla answered |
Flights cancelled in haryana in 2004 are 320 and that in punjab over all the years together are 1000.
so 320÷1000×100=32%
so 320÷1000×100=32%
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
The expenditure of Company X in the year 1998 was Rs. 200 crores and the income of company X in 1998 was the same as its expenditure in 2001. The income of Company X in 2001 was ?- a) Rs. 295 crores
- b)Rs. 385 crores
- c)Rs. 335 crores
- d)Rs. 465 crores
Correct answer is option 'D'. Can you explain this answer?
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
The expenditure of Company X in the year 1998 was Rs. 200 crores and the income of company X in 1998 was the same as its expenditure in 2001. The income of Company X in 2001 was ?
The expenditure of Company X in the year 1998 was Rs. 200 crores and the income of company X in 1998 was the same as its expenditure in 2001. The income of Company X in 2001 was ?
a)
Rs. 295 crores
b)
Rs. 385 crores
c)
Rs. 335 crores
d)
Rs. 465 crores
|
|
Aisha Gupta answered |
Study the following table carefully to answer the questions that follow:
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Q. What is the total percentage of passed students of Class IX from all the years together? (rounded off to two digits after decimal)
- a)68.95
- b)71.36
- c)79.53
- d)86.94
- e)91.52
Correct answer is option 'E'. Can you explain this answer?
Study the following table carefully to answer the questions that follow:
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Number of Students Appeared (A) and Failed (F) in Five
Classes of a school over the years
Q. What is the total percentage of passed students of Class IX from all the years together? (rounded off to two digits after decimal)
a)
68.95
b)
71.36
c)
79.53
d)
86.94
e)
91.52
|
|
Knowledge Center answered |
no of student who passed in 9 th class exam = 74 +79+70+71+74+80+81=529
total no of students=passed + fail =529 +8+6+7+4+10+5+9=578
so passing percentage=529/578=91.52
total no of students=passed + fail =529 +8+6+7+4+10+5+9=578
so passing percentage=529/578=91.52
Study the following graph carefully to answer the given questions
What will be the ratio of number of boys passed in N to number of girls failed in N, if the number of girls and boys in the ratio 16:11 ?- a)121:24
- b)7:11
- c)103:529
- d)21:37
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Study the following graph carefully to answer the given questions
What will be the ratio of number of boys passed in N to number of girls failed in N, if the number of girls and boys in the ratio 16:11 ?
a)
121:24
b)
7:11
c)
103:529
d)
21:37
e)
None of these
|
|
Preeti Khanna answered |
675 => 400:275 => 16:11 = G:B
G:400*12% =48
B:275*88% =242
242:48 = 121: 24
G:400*12% =48
B:275*88% =242
242:48 = 121: 24
Study the following line graph and answer the questions.Exports from Three Companies Over the Years (in Rs. crore)
Q.
In which year was the difference between the exports from Companies X and Y the minimum?- a)1994
- b)1995
- c)1996
- d)1997
Correct answer is option 'C'. Can you explain this answer?
Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore)
Q.
In which year was the difference between the exports from Companies X and Y the minimum?
In which year was the difference between the exports from Companies X and Y the minimum?
a)
1994
b)
1995
c)
1996
d)
1997
|
|
Prity Biswas answered |
1994=60-20=40, 1995 =60-40=20 ,1996=70-60=10 , 1997=100-80=20 therefore, in 1996 difference between XandY was minimum I.e 10
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. If the danger level of all the four rivers is above 215 m, which river has not crossed the danger level in August but has crossed the danger level in July? - a)River – A
- b)River – B
- c)River – C
- d)River – D
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. If the danger level of all the four rivers is above 215 m, which river has not crossed the danger level in August but has crossed the danger level in July?
a)
River – A
b)
River – B
c)
River – C
d)
River – D
e)
None of these
|
|
Thakur Khatik answered |
Option 'b'is the correct answer. because, river b has not crossed the danger level in August
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutionsQ. What was the total number of candidates qualified in the written test for admission to institution A over all the years together? - a)27000
- b)26500
- c)26000
- d)27500
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
Q. What was the total number of candidates qualified in the written test for admission to institution A over all the years together?
a)
27000
b)
26500
c)
26000
d)
27500
e)
None of these
|
|
Esther Robinson answered |
2002 - 2000
2003 - 3500
2004 - 5000
2005 - 6000
2006 - 4000
2007 - 6500
2000+3500+5000+
6000+4000+6500 = 27000
The number of candidates qualified in the written test is 27000
The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.
Distribution of students at graduate and post-graduate levels in seven institutes:Total number of students of graduate level = 27300 Total number of students of post – graduate level = 24700Q.What is the ratio between the number of students studying at post-graduate and graduate levels respectively from institute S?- a)14 : 19
- b)19 : 21
- c)17 : 21
- d)19 : 14
Correct answer is option 'D'. Can you explain this answer?
The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.
Distribution of students at graduate and post-graduate levels in seven institutes:
Distribution of students at graduate and post-graduate levels in seven institutes:
Total number of students of graduate level = 27300
Total number of students of post – graduate level = 24700
Q.
What is the ratio between the number of students studying at post-graduate and graduate levels respectively from institute S?
a)
14 : 19
b)
19 : 21
c)
17 : 21
d)
19 : 14
|
|
Prity Biswas answered |
Post graduate =21% =21/100×24700=5187
graduate =14%=14/100×27300=3200
5187:3800
19:14
(D)
graduate =14%=14/100×27300=3200
5187:3800
19:14
(D)
(Q.no: 11-15). Refer to the following Line Graph and answer the given questions.
What is the respective ratio of total number of students who appeared for the exam in the years 2014 and 2015 together and the total number of students who could pass the exam in the same years together?- a)35:29
- b)31:25
- c)28:21
- d)33:25
- e)31:26
Correct answer is option 'B'. Can you explain this answer?
(Q.no: 11-15). Refer to the following Line Graph and answer the given questions.
What is the respective ratio of total number of students who appeared for the exam in the years 2014 and 2015 together and the total number of students who could pass the exam in the same years together?
a)
35:29
b)
31:25
c)
28:21
d)
33:25
e)
31:26
|
Kavya Saxena answered |
Total number of appeared candidates in the years 2014 and 2015 together = 620
Total number of passed candidates in the years 2014 and 2015 together = 520
= 620 : 500
= 31 : 25
Total number of passed candidates in the years 2014 and 2015 together = 520
= 620 : 500
= 31 : 25
Study the following table carefully to answer the given questionsClassification of 50 Students based on the marks obtained by them in Quants & Reasoning in Prelim exam
The number of students scoring less than 30% marks in aggregate is?- a)15
- b)5
- c)20
- d)10
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Study the following table carefully to answer the given questions
Classification of 50 Students based on the marks obtained by them in Quants & Reasoning in Prelim exam
The number of students scoring less than 30% marks in aggregate is?
a)
15
b)
5
c)
20
d)
10
e)
None of these
|
|
Alok Verma answered |
We have 30% of 100 = (30/100)x100 = 30
Therefore Required number
= Number of students scoring less than 30 marks in aggreagate
= 50 – Number of students scoring 30 and above marks in aggregate
= 50 – 40 = 10.
Therefore Required number
= Number of students scoring less than 30 marks in aggreagate
= 50 – Number of students scoring 30 and above marks in aggregate
= 50 – 40 = 10.
Study the following table carefully to answer the given questionsClassification of 50 Students based on the marks obtained by them in Quants & Reasoning in Prelim examThe percentage of number of students scored 70% marks in Quants is what percentage of number of students scored 30% marks in aggregate ?- a)60%
- b)70%
- c)50%
- d)75%
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Study the following table carefully to answer the given questions
Classification of 50 Students based on the marks obtained by them in Quants & Reasoning in Prelim exam
The percentage of number of students scored 70% marks in Quants is what percentage of number of students scored 30% marks in aggregate ?
a)
60%
b)
70%
c)
50%
d)
75%
e)
None of these
|
Rajeev Kumar answered |
Number of students scored 70% marks or 70 in Quants = 28
Number of students scored 30% marks or 30 in aggregate= 40
% = 28/40 * 100 = 70%
Number of students scored 30% marks or 30 in aggregate= 40
% = 28/40 * 100 = 70%
(Q.no: 11-15). Refer to the following Line Graph and answer the given questions. The number of students who could pass the exam in the year 2016 were 10% more than that in the previous year. Only 75% of those who appeared in the year 2016 could pass the exam that year. How many students appeared for the exam in the year 2016?- a)340
- b)336
- c)418
- d)420
- e)352
Correct answer is option 'E'. Can you explain this answer?
(Q.no: 11-15). Refer to the following Line Graph and answer the given questions.
The number of students who could pass the exam in the year 2016 were 10% more than that in the previous year. Only 75% of those who appeared in the year 2016 could pass the exam that year. How many students appeared for the exam in the year 2016?
a)
340
b)
336
c)
418
d)
420
e)
352
|
|
Anaya Patel answered |
Number of students who could pass the exam in the year 2016 = 110% of 240 = 264
75% of x = 264
x = 264 * 100/75 = 352
75% of x = 264
x = 264 * 100/75 = 352
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutionsQ. In which year was the total number of candidates qualified in the written test for admission to both the institutions together the second highest? - a)2003
- b)2004
- c)2005
- d)2006
- e)2007
Correct answer is option 'C'. Can you explain this answer?
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
Q. In which year was the total number of candidates qualified in the written test for admission to both the institutions together the second highest?
a)
2003
b)
2004
c)
2005
d)
2006
e)
2007
|
|
Honey Singla answered |
In the above question , we need to answer for that year where addition of both institute stands at 2nd position. As at 1st position, answer is 2007 and for 2nd position answer is year 2005
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. If the monthly expenditure of C on Children’s education is increased by 5%, then what will be his yearly expenditure on Children’s education? - a)Rs. 1,58,760
- b)Rs. 15,87,600
- c)Rs. 13,230
- d)Rs. 1,32,300
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. If the monthly expenditure of C on Children’s education is increased by 5%, then what will be his yearly expenditure on Children’s education?
a)
Rs. 1,58,760
b)
Rs. 15,87,600
c)
Rs. 13,230
d)
Rs. 1,32,300
e)
None of these
|
Jatin Rao answered |
The answer is like this
According to the table the expenditure on children education is 12,600 which is increased by 5% means 650o so now the expenditure is(12,600+650) 13,230 per month.
It means the expenditure per year is 1,58,760(13,250x12).
So the right option is A.
(Q.no: 11-15). Refer to the following Line Graph and answer the given questions. What is the average number of students who passed for the exam in all the years together?- a)240
- b)206
- c)150
- d)250
- e)280
Correct answer is option 'B'. Can you explain this answer?
(Q.no: 11-15). Refer to the following Line Graph and answer the given questions.
What is the average number of students who passed for the exam in all the years together?
a)
240
b)
206
c)
150
d)
250
e)
280
|
|
Preeti Khanna answered |
Average number of students who passed in all the years together =[180 + 140 + 210 + 260 +240]/5 = 206
(Q.no: 16-20). Refer to the following table and answer the given questions.In which of the given companies is the percentage of women employees with respect to the total number of employees(both males and females) in that company the third lowest?- a) V
- b) W
- c) P
- d)Q
- e) S
Correct answer is option 'E'. Can you explain this answer?
(Q.no: 16-20). Refer to the following table and answer the given questions.
In which of the given companies is the percentage of women employees with respect to the total number of employees(both males and females) in that company the third lowest?
a)
V
b)
W
c)
P
d)
Q
e)
S
|
|
Aisha Gupta answered |
Company P : ([7/12 * (2568)] / 2568)*100 = 58.33%
Company Q : ([5/16 * (2880)] / 2880)*100 = 31.25%
Company R : ([11/21 * (2310)] / 2310)*100 = 52.38%
Company S : ([2/5 * (3575)] / 3575)*100 = 40%
Company T : ([6/13 * (2054)] / 2054)*100 = 46.15%
Company U : ([21/41 * (2788)] / 2788)*100 = 51.21%
Company V : ([7/15 * (3720)] / 3720)*100 = 46.66%
Company W : ([5/14 * (3360)] / 3360)*100 = 35.71%
Company Q : ([5/16 * (2880)] / 2880)*100 = 31.25%
Company R : ([11/21 * (2310)] / 2310)*100 = 52.38%
Company S : ([2/5 * (3575)] / 3575)*100 = 40%
Company T : ([6/13 * (2054)] / 2054)*100 = 46.15%
Company U : ([21/41 * (2788)] / 2788)*100 = 51.21%
Company V : ([7/15 * (3720)] / 3720)*100 = 46.66%
Company W : ([5/14 * (3360)] / 3360)*100 = 35.71%
Study the following table carefully to answer the given questionsClassification of 50 Students based on the marks obtained by them in Quants & Reasoning in Prelim examIf at least 50% marks in aggregate are required for interview, how many students will be eligible to attend interview?- a)50
- b)40
- c)20
- d)38
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Study the following table carefully to answer the given questions
Classification of 50 Students based on the marks obtained by them in Quants & Reasoning in Prelim exam
If at least 50% marks in aggregate are required for interview, how many students will be eligible to attend interview?
a)
50
b)
40
c)
20
d)
38
e)
None of these
|
|
Rhea Reddy answered |
50% of 100 = 50*100/100 = 50
No of students scored 50 aggregate = 38
No of students scored 50 aggregate = 38
(Q.no: 16-20). Refer to the following table and answer the given questions.Which of the given companies has the second highest number of average employees per office?- a) Q
- b) R
- c) S
- d) U
- e) T
Correct answer is option 'D'. Can you explain this answer?
(Q.no: 16-20). Refer to the following table and answer the given questions.
Which of the given companies has the second highest number of average employees per office?
a)
Q
b)
R
c)
S
d)
U
e)
T
|
Yash Patel answered |
Company P – 2568/16 = 160.5 ; Company Q – 2880/18 = 160
Company R – 2310/14 = 165 ; Company S – 3575/22 = 162.5
Company T – 2054/13 = 158 ; Company U – 2788/17 = 164
Company V – 3720/24 = 155 ; Company W – 3360/21 = 160
Company R – 2310/14 = 165 ; Company S – 3575/22 = 162.5
Company T – 2054/13 = 158 ; Company U – 2788/17 = 164
Company V – 3720/24 = 155 ; Company W – 3360/21 = 160
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. In which river and in which month respectively the water level is highest? - a)River – C in August
- b)River – D in September
- c)River – B in July
- d)River –D in August
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Study the following graph carefully and answer the question.
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Water level of four major Rivers (in metres) in four different Months
Water level of four Rivers
Q. In which river and in which month respectively the water level is highest?
a)
River – C in August
b)
River – D in September
c)
River – B in July
d)
River –D in August
e)
None of these
|
|
Prity Biswas answered |
234 -August , riverC
Study the following graph and answer the questions that follow.Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different InstitutionsQ. The number of candidates passed from institutions C and E together is approximately what percentage of the total number of candidates appeared from institutions A and G together?- a)72
- b)62
- c)54
- d)75
- e)67
Correct answer is option 'E'. Can you explain this answer?
Study the following graph and answer the questions that follow.
Number of Appeared Candidates and Passed Candidates (in hundreds) in a test from seven different Institutions
Q. The number of candidates passed from institutions C and E together is approximately what percentage of the total number of candidates appeared from institutions A and G together?
a)
72
b)
62
c)
54
d)
75
e)
67
|
Navin Kumar Jha answered |
1600/2400×100%=67%
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. Whose monthly expenditure on all the heads together is the lowest among them? - a)A
- b)B
- c)C
- d)D
- e)E
Correct answer is option 'A'. Can you explain this answer?
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. Whose monthly expenditure on all the heads together is the lowest among them?
a)
A
b)
B
c)
C
d)
D
e)
E
|
|
Ananya Vats answered |
A's monthly expenditure on all heads together = ₹34.54 i.e ₹34540, B's monthly expenditure on all the heads together = ₹41.54 i.e ₹41540, C's monthly expenditure on all the heads together = ₹ 53.40 i.e ₹53400, D's monthly expenditure on all the heads together = ₹ 53.65 i.e ₹53650 and E's monthly expenditure on all the heads together = ₹ 47.07 i.e ₹47070
=> Clearly, A's monthly expenditure on all the heads together is the lowest as compared to others.
=> Clearly, A's monthly expenditure on all the heads together is the lowest as compared to others.
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. What is the ratio of the monthly expenditure made by A on traveling to the monthly expenditure made by D on clothes? - a)57 : 105
- b)105 : 59
- c)37 : 103
- d)59 : 105
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Study the following table carefully and answer the questions given follow:
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Monthly expenditure (in thousands) by five people on Rent, Food, Children’s education, Clothes and Traveling
Q. What is the ratio of the monthly expenditure made by A on traveling to the monthly expenditure made by D on clothes?
a)
57 : 105
b)
105 : 59
c)
37 : 103
d)
59 : 105
e)
None of these
|
Preitee Ranjan Pradhan answered |
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutionsQ. What was the approximate average number of candidates qualified in the written test for admission to institution B over all the years? - a)4,555
- b)4,200
- c)4,160
- d)4,888
- e)4,667
Correct answer is option 'E'. Can you explain this answer?
Study the graph and answer the questions that follow:
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
No. of candidates (in thousands) different Qualified in the written test for admission to two different institutions
Q. What was the approximate average number of candidates qualified in the written test for admission to institution B over all the years?
a)
4,555
b)
4,200
c)
4,160
d)
4,888
e)
4,667
|
|
Prity Biswas answered |
3500+4000+4000+5500+5000+6000/6 =28000/6= 46667(e)
Study the following line graph and answer the questions.Exports from Three Companies Over the Years (in Rs. crore)
Q.
Average annual exports during the given period for Company Y is approximately what percent of the average annual exports for Company Z?- a)87.12%
- b)89.64%
- c)91.21%
- d)93.33%
Correct answer is option 'D'. Can you explain this answer?
Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore)
Q.
Average annual exports during the given period for Company Y is approximately what percent of the average annual exports for Company Z?
Average annual exports during the given period for Company Y is approximately what percent of the average annual exports for Company Z?
a)
87.12%
b)
89.64%
c)
91.21%
d)
93.33%
|
|
Prity Biswas answered |
Average export of Y = 80+40+60+60+80+100+140/7=560/7=80
average export of Z =60+90+120+90+60+80+100/7=600/7
therefore,
80/600×7×100=560/6=93.33%
average export of Z =60+90+120+90+60+80+100/7=600/7
therefore,
80/600×7×100=560/6=93.33%
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