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DSSSB TGT Social Science Mock Test - 7 - DSSSB TGT/PGT/PRT MCQ


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30 Questions MCQ Test - DSSSB TGT Social Science Mock Test - 7

DSSSB TGT Social Science Mock Test - 7 for DSSSB TGT/PGT/PRT 2024 is part of DSSSB TGT/PGT/PRT preparation. The DSSSB TGT Social Science Mock Test - 7 questions and answers have been prepared according to the DSSSB TGT/PGT/PRT exam syllabus.The DSSSB TGT Social Science Mock Test - 7 MCQs are made for DSSSB TGT/PGT/PRT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for DSSSB TGT Social Science Mock Test - 7 below.
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DSSSB TGT Social Science Mock Test - 7 - Question 1

When balanced forces act on a body, the body:

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 1

Forces are said to be balanced when two equal and opposite forces acts on an object which makes net force to be zero. Balanced forces are acting means object will be rest. When unbalanced forces are acting on object it starts moving in the direction of force. Example a book kept on table has two forces gravitational force acting downwards and normal force acting upwards. As two forces are equal and opposite the net force will be zero and object remains at rest. and if resultant force is zero the object would be moving with uniform acceleration as there would be no acceleration

So option D is correct

DSSSB TGT Social Science Mock Test - 7 - Question 2

Statements: All men are vertebrates. Some mammals are vertebrates.

Conclusions:

  1. All men are mammals.
  2. All mammals are men.
  3. Some vertebrates are mammals.
  4. All vertebrates are men.

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 2

So Option C is correct

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DSSSB TGT Social Science Mock Test - 7 - Question 3

Statements: All the phones are scales. All the scales are calculators.

Conclusions:

  1. All the calculators are scales.
  2. All the phones are calculators
  3. All the scales are phones.
  4. Some calculators are phones.

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 3

So Option C is correct

DSSSB TGT Social Science Mock Test - 7 - Question 4

If GREAT is written as BVBCS, how will UNTIL be written?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 4

G - 5 = B
R + 4 = V
E - 3 = B
A + 2 = C
T - 1 = S
⇒ GREAT → BVBCS

Similarly,

U - 5 = P
N + 4 = R
T - 3 = Q
I + 2 = K
L - 1 = K
⇒ UNTIL → PRQKK

DSSSB TGT Social Science Mock Test - 7 - Question 5

15, 5, 4.5, 5.8.7.9, ?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 5

15*0.2 +2 = 5
5*0.3+3 = 4.5
4.5*0.4+4 = 5.8
5.8*0.5+5 =7.9
7.9*0.6+6 = 10.74

DSSSB TGT Social Science Mock Test - 7 - Question 6

107, 106, 52, 16.3 , ?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 6

107-1/1 = 106

106-2/2 = 52
52-3/3 = 16.3
16.3-4/4 = 3.075

DSSSB TGT Social Science Mock Test - 7 - Question 7

Directions to Solve

In each of the following questions, five words have been given out of which four are alike in some manner, while the fifth one is different. Choose the word which is different from the rest.

Question -

Choose the word which is different from the rest.

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 7

All except Sitar are wind instruments, while sitar is a string instrument.

DSSSB TGT Social Science Mock Test - 7 - Question 8

Directions to Solve

In each of the following questions find out the alternative which will replace the question mark.

Question -

123 : 132 :: 235 : ?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 8

As, 123 → 132

As, 235 → 253

The middle digit of first term becomes power to the next term.

DSSSB TGT Social Science Mock Test - 7 - Question 9

Directions to Solve

In each of the following questions find out the alternative which will replace the question mark.

Question -

8 : 28 :: 27 : ?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 9

The logic is x3 : (x+1)3 + 1
                   23 : (2 + 1)3 + 1
                   23 : 33 + 1
                   8  :  28
27 = 33
so next digit (n+1)3 + 1 = (3 + 1)3 + 1 = 64 + 1 = 65

DSSSB TGT Social Science Mock Test - 7 - Question 10

Toby starts walking from a point O towards north. After walking 3 km, he reaches point A. From there, he turns to his right and after walking 1 km, reaches point B. Then, he turns to his right and after walking 6 km, reaches point C. From there, he turns to his left and after walking 1 km, reaches point D. Finally, he turns to his left and after walking 3 km, reaches point E.

If Toby turns left from point E and after walking 2 km, reaches point F, then what is the distance between O and F?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 10

After walking 2 km from E, Toby reaches the starting point O. So, the distance between O and F is 0 km.

DSSSB TGT Social Science Mock Test - 7 - Question 11

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 11

Suppose A, B and C take x, x/2 and x/3 days respectively to finish the work.
Then,1/x + 2/x + 3/x = 1/2
⇒ 6/x = 1/2
⇒ x = 12.
So, B takes (12/2) = 6 days to finish the work.

DSSSB TGT Social Science Mock Test - 7 - Question 12

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 12

► Let total work be 30 units (LCM of 10 and 15).
► In one day, A can do 2 units of work and B can do 3 units of work.
► In one day, both A and B can do 5 units of work.
► In two days, A and B will complete 10 units of work. Remaining 20 units can be completed by A in 10 days (at rate of 2 units per day).
► Hence, whole work will be completed in 12 days.

DSSSB TGT Social Science Mock Test - 7 - Question 13

Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of the train during the whole journey?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 13

Avg speed of train = 2xy/x+y
⇒ [2(84)(56)]/(84+56)
⇒ [2(84)(56)]/140
= 67.2km/hr

DSSSB TGT Social Science Mock Test - 7 - Question 14

An alloy is prepared by mixing three metals A, B and C in the proportion 3: 4: 7 by volume. Weights of the same volume of the metals A, B and C are in the ratio 5: 2: 6. In 130 kg of the alloy, the weight, in kg, of the metal C is

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 14

Required weight of C=(7×63×5+4×2+7×6)×130=84C=(7×63×5+4×2+7×6)×130=84 kg

DSSSB TGT Social Science Mock Test - 7 - Question 15

Find the rate of interest if the amount after 2 years of simple interest on a capital of Rs. 1200 is Rs. 1440.

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 15

DSSSB TGT Social Science Mock Test - 7 - Question 16

What is the difference between the simple interest on a principal of Rs. 500 being calculated at 5% per annum for 3 years and 4% per annum for 4 years?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 16

5% for 3 years (SI) = 15% of the amount; At the same time 4% SI for 4 years means 16% of the amount. The difference between the two is 1% of the amount. 1% of 500 = Rs. 5

DSSSB TGT Social Science Mock Test - 7 - Question 17

(Q.no: 1-5). Refer to the following Line Graph and answer the given questions.

If the respective ratio of total number of applications received for University P and Q together in 2016 and 2017 is 3:4. What was the total number of applications received for University P and Q together in 2017?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 17

Total number of applications received for Universities P and Q together in 2016 = 230 + 190 = 420
Total number of applications received for Universities P and Q together in 2017 = 420 * 4/3 = 560

DSSSB TGT Social Science Mock Test - 7 - Question 18

(Q.no: 1-5). Refer to the following Line Graph and answer the given questions.

What is the average number of applications received for University P in 2013, 2015 and 2016?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 18

Average number of applications received for University A in 2013, 2015 and 2016 = (130 + 210 + 230)/3 = 190

DSSSB TGT Social Science Mock Test - 7 - Question 19

(656 ÷ 164)² = √?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 19

656 ÷ 164 = 4; √? = 16 ; ? = 256

So Option C is correct

DSSSB TGT Social Science Mock Test - 7 - Question 20

8934 – 3257 + 481 = ? + 2578

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 20

9415 – 5835 = 3580

So Option B is correct

DSSSB TGT Social Science Mock Test - 7 - Question 21

A smaller triangle is having three sides. Another big triangle is having sides exactly double the sides of the smaller triangle. Then what is the ratio of Area of Smaller triangle to Area of the Bigger triangle?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 21

Smaller triangle sides = a, b, c
Area= √s(s-a) (s-b) (s-c);
s=a+b+c/2
= √(a+b+c)(b+c-a)(a+c- b)(a+b-c)/4
Bigger triangle =2a, 2b, 2c
Area = √(a+b+c)(b+c-a)(a+c- b)(a+b-c)
Ratio = 1:4

DSSSB TGT Social Science Mock Test - 7 - Question 22

ABCD is a square of 20 m. What is the area of the least-sized square that can be inscribed in it with its vertices on the sides of ABCD?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 22

It touches on midpoints on the sides of the square ABCD
Side= √ (10² +10²) = √200
Area= 200 m²

DSSSB TGT Social Science Mock Test - 7 - Question 23

If m and n are two whole numbers and if m= 49. Find n^m, given that n ≠ 1

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 23

49 = 72 = mn
nm = 27 = 128

DSSSB TGT Social Science Mock Test - 7 - Question 24

40% of the women are above 30 years of age and 80 percent of the women are less than or equal to 50 years of age. 20 percent of all women play basketball.If 30 percent of the women above the age of 50 plays basketball, what percent of players are less than or equal to 50 years?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 24

Answer – c) 70% Explanation : take total women =100 Women less than or equal to 50 years = 80 and women above 50 years = 20 20 = women plays basketball 30% of the women above 50 plays basketball = 6 So remaining 14 women who plays basketball are less than or equal to 50 years So (14/20)*100 = 70%

DSSSB TGT Social Science Mock Test - 7 - Question 25

Alisha goes to a supermarket and bought things worth rupees 60, out of which 40 paise went on sales tax. If the tax rate is 10 percent, then what was the cost of tax free items?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 25

Answer – b) 55.60 Explanation : tax = 40/100 = (10/100)*T, T = 4 so cost of tax free items = 60 – 4 – 0.40 = 55.60

DSSSB TGT Social Science Mock Test - 7 - Question 26

Of all the students in a certain dormitory, half are first-year students and the rest are second-year students. If 4/5 of the first-year students have not declared a major and the fraction of second-year students who have declared a major is 3 times the fraction of the first-year students who have declared a major, then what fraction of all the students in the dormitory are second-year students who have not declared a major?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 26

Suppose total number of students in a certain dormitory = y
Then, total number of first-year students = y/2
Total number of first-year students who have not declared a major = (2/5)y
So, fraction of first-year students who have declared a major = (1/10)y
Total number of fraction of second-year students who have declared a major = (3/10)y
Total number of fraction of second-year students who have not declared a major = (1/5)y
Then, required fraction = (1/5)

DSSSB TGT Social Science Mock Test - 7 - Question 27

Directions: In a paper of CAT there are 3 sections, each contains 25 questions and each question carries 4 marks. Wrong answer carries 1 mark negative. There is no negative or positive marking for not attempted question. A student attempted the questions from section A, B and C in the ratio 6 : 5 : 4. The number of correct answers are in the ratio 4 : 3 : 2, respectively. The student got 96 marks in section A.

Q. How many marks will the student get in section C?

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 27

Since he scored 96 marks in section A, he must have attempted 24 questions in that section and all should have been right.
So,
Number of questions attempted in section A = 24
Number of questions attempted in section B = 20
Number of questions attempted in section C = 16
And,
Number of correct attempted questions in section A = 24
Number of correct attempted questions in section B = 18
Number of correct attempted questions in section C = 12
Thus, in section C, he will get:
12 × 4 - 4 = 44 marks

DSSSB TGT Social Science Mock Test - 7 - Question 28

A shopkeeper sold goods for ₹1800 and made a profit of 20% in the process. Find his profit per cent if he had sold his goods for ₹ 1687.5.

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 28

1800 = 1.2 x cost price → Cost price = 1500
Profit at 1687.5 = ₹ 187.5
Percentage profit = (187.5/1500) x 100 = 12.5%

DSSSB TGT Social Science Mock Test - 7 - Question 29

A marble table when sold for ₹ 6400 gives a loss of 11.11% to the merchant who sells it. Calculate hisloss or gain per cent, if he sells it for ₹ 7812.

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 29

The CP will be ₹ 7200 (got by 6400 x 1.125). Hence at an S.P. of 7812 the percentage profit will be 8.5%

DSSSB TGT Social Science Mock Test - 7 - Question 30

Directions: Study the following information of monthly income and expenditure of an NGO and answer the question.

If relief funds's contribution was Rs. 10,00,000 and total savings were Rs. 60,000, then what would be the expenditure on salaries of workers?
(Savings = Income - Expenditure)

Detailed Solution for DSSSB TGT Social Science Mock Test - 7 - Question 30

Relief fund's contribution = 35% of the total income
Total income =  28,57,143
Savings = Rs. 60,000
⇒ Total expenditure = Total income - savings
= 28,57,143 - 60,000 = 27,97,143
Expenditure on salaries of workers = 55% of total expenditure = Rs. 15,38,429

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