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Data Sufficiency MCQ - 2 - Railways MCQ


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20 Questions MCQ Test - Data Sufficiency MCQ - 2

Data Sufficiency MCQ - 2 for Railways 2024 is part of Railways preparation. The Data Sufficiency MCQ - 2 questions and answers have been prepared according to the Railways exam syllabus.The Data Sufficiency MCQ - 2 MCQs are made for Railways 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Data Sufficiency MCQ - 2 below.
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Data Sufficiency MCQ - 2 - Question 1
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the area of the hall ?
I. The labour cost of flooring the hall is Rs.3500
II. The material cost of flooring the hall per sqmetre is Rs.250
III. The total cost of flooring the hall is Rs.16500

Detailed Solution for Data Sufficiency MCQ - 2 - Question 1

From I, II, III
Let area be ‘x’
Total material cost = Rs.250x
Labour Cost = 250x + 3500 = 16500
X = 13000/250 = 52 sq m

Data Sufficiency MCQ - 2 - Question 2
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the present age of Surya?
I. Five years ago, Surya age was double that of his son’s age that time.
II. Present age of Surya and his son are in the ratio of 11:6.
III. Five year hence, the respective ratio of Surya’s age and his son’s age become 12:7

Detailed Solution for Data Sufficiency MCQ - 2 - Question 2

Three equations and each has two variables. So from any two we can find.
According to first sentence, (S -5) = 2*(X – 5) [S is the age of Surya and x is the age of his son] According to second sentence, S:X = 11:6
According to third sentence, (S + 5)/(X +5) = 12/7

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Data Sufficiency MCQ - 2 - Question 3
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the circumference of the semi-circle?
I. The difference between the length and the breadth of a parallelogram is 15cm.
II. The area of the semi-circle is half the area of the parallelogram.
III. The length of the parallelogram is 2.5 times the radius of the circle.

Detailed Solution for Data Sufficiency MCQ - 2 - Question 3

From I, L-B = 15cm
From II, Area of semi-circle = Area of parallelogram/2
From II, Length of parallelogram = 2.5*radius of circle
So from all the given statements it is insufficient to answer.

Data Sufficiency MCQ - 2 - Question 4
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

How much time will the train A take to cross another train B running in opposite direction?
I. Train A crosses a signal pole in 7s
II. Ratio of the speed of trains A and B is 3:5
III. Length of two trains together is 500m
Detailed Solution for Data Sufficiency MCQ - 2 - Question 4

From Statement I, Time taken by Train A crosses a signal pole = 7s
From Statement II, Speed of Train A and Train B = 3x and 5x,Relative speed= 8x
From Statement I and Statement II. A Train’s length = 21x
B Train’s length = 500 – 21x
Time taken by A to cross B = [500-21x]+21x/8x
All the given statements are Insufficient to answer the question.

Data Sufficiency MCQ - 2 - Question 5
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the average age of six members Mani, Naveen, Priya, Pavi, Venu and Ravi ?
I. Total age of Naveen and Ravi are 16 years
II. Average age of Mani,Pavi are 12 years
III. The sum of ages of Priya and Venu are 62 years
Detailed Solution for Data Sufficiency MCQ - 2 - Question 5

Three equations, three variables so we can find easily.
N+R = 16
M+P = 24
Priya+ Venu= 62
Avearge = 16+24+62/6

Data Sufficiency MCQ - 2 - Question 6
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What is the population of State P?
I. After 19% increase the population of State P will become 20.23 lakh.
II. The population of state Q is 42.5 lakh
III. The ratio of population of State P to that of State Q is 2:5
Detailed Solution for Data Sufficiency MCQ - 2 - Question 6

From I,
Population of P =20.23 * 100/119 = 17 lakh
From II and III,
Population of P = 2/5 * 42.5 = 17 lakh
Hence, either only I or II and III.

Data Sufficiency MCQ - 2 - Question 7
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

How many articles were sold?
I. Total profit earned was Rs. 3000
II. Cost-price per article was Rs. 670
III. Selling price per article was Rs. 820
Detailed Solution for Data Sufficiency MCQ - 2 - Question 7

From statements II and III
Profit on each article = 820 – 670 = 150
From statements I, II and III
Number of articles sold
=3000/150 = 20

Data Sufficiency MCQ - 2 - Question 8
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the rate of interest per annum ?
I.An amount double itself at SI in 10 years
II.The difference between SI and CI on an amount of Rs.20,000 in 2 years is Rs.200
III.The CI accured in 8 years is more than the amount.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 8

From I :
Principal = P, Amount = 2P
Interest = 2P – P = P
SI =P = P*R*10/100 => R = 10%
From IIpr²/100² = diff                                                                                         20000*r/10000 = 200
R =10%

Data Sufficiency MCQ - 2 - Question 9
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

A branch has a manager, a clerk and a sub staff. What is the salary of the sub staff?
I. The clerk and the sub staff together get Rs.38000 per month.
II. Each Clerk gets Rs.14000 per month more than the Sub Staff.
III. The total salary per month of the manager and the clerk is Rs.65000
Detailed Solution for Data Sufficiency MCQ - 2 - Question 9

From I,C+S = 38000                                                                                                        From II, C = S+14000
S+14000+S = 38000
S = 24000/2 = 12000

Data Sufficiency MCQ - 2 - Question 10
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Q(1 – 10) Each of the questions below consists of a question and three statements given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

Bipul, Vijay and Rahul are three friends dividing Rs.310 among themselves. What will be the share of Bipul?
I. Vijay gets Rs.16 more than Rahul
II. Bipul gets Rs.3 more than Rahul
III. Bipul gets Rs.13 less than Vijay
Detailed Solution for Data Sufficiency MCQ - 2 - Question 10

B+V+R = 310
From I, V = 16+R
From II, B = 3+R
From III, B = V-13
Three equations three variables so answer can be obtained from any two alone.

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Data Sufficiency MCQ - 2 - Question 11
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Q(11 – 15) Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the speed of the train whose length is 210m?
I. The train crosses another train of 300m length running in opposite direction in 10s
II. The train crosses another train running in the same direction at the speed of 60kmph in 30s.

 
Detailed Solution for Data Sufficiency MCQ - 2 - Question 11

L1 = 210m(Given)
From Statement I, L2 = 300m
L1 + L2 = 210m +300m =510m
S1 + S2 = [D/T] = 510/10 = 51m/s
From Statement II,
S2 = 60kmph = 60*(5/18) = 50/3 m/s
S1 – S2 = 510/30 = 51/3 => S1-50/3 = 51/3
S1 = 101/3 m/s
Thus both the statements are required to answer the question.

Data Sufficiency MCQ - 2 - Question 12
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Q(11 – 15) Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the man’s speed in still water?
I. The speed of the stream is one-third of the man’s speed in still water.
II. In a given time, the man can swim twice as far with the stream as he can against it.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 12

From Statement I, Speed of stream = 1/3 * Man’s speed = Man’s speed = 3* Speed of stream
From Statement II, Man’s speed = 2* Speed of stream
Thus both the statements are not sufficient to answer the question.

Data Sufficiency MCQ - 2 - Question 13
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Q(11 – 15) Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the Ratio of male to female officers in the police force in town T?
I. The number of female officers is 250 less than half the number of male officers.
II. The number of female officers is 1/7 the number of male officers.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 13

From Statement I,
Number of male officers = x
Number of female officers = x/2 – 250
Ratio can’t be calculated from Statement I.
From Statement II,
Number of male officers = x
Number of female officers = x* 1/7
Ratio = x/(x/7) = 7:1
Thus Statement II alone is sufficient to answer the question.

Data Sufficiency MCQ - 2 - Question 14
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Q(11 – 15) Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the rate of the Compound Interest?
I. A certain amount invested at the compound interest rate amounts to Rs. 1331
II. The amount was invested for a period of three years.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 14

Principal is not given, We can not find the rate of CI from both statements.

Data Sufficiency MCQ - 2 - Question 15
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Q(11 – 15) Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –

What is the difference between the two digits in a two-digit number?
I. The sum of the two digits is 8.
II. 1/5 of that number is 15 less than 1/2 of 44
Detailed Solution for Data Sufficiency MCQ - 2 - Question 15

Statement I not sufficient
From statement II,
1/5 * x = 1/2 *44 -15
x = 35, Difference between the two digits is = 2

Data Sufficiency MCQ - 2 - Question 16
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A, B, and C together start a business with a total investment of 15000. At the end of the year, the total profit is Rs.3000. What is A’s share in the profit?
I. A’s contribution is 3/2 times of B’s
II. B’s contribution is twice that of C.
III. A’s contribution is thrice that of C.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 16

C = x
From I and II
C = x, B = 2x, A = (3/2 * 2x) => A = 3x
From II and III
C = x, B = 2x, A = 3x
From I and III
C = x, A = 3x, B = (2/3 * 3x) => B = 2x
A:B:C = 3:2:1, A’s share = (3000 * (3/6)) = 1500
Thus any two of the three statements, are sufficient to answer the question.

Data Sufficiency MCQ - 2 - Question 17
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What is the monthly income of Mr. X?
I. Mr. X spends 85% of his income on various items and remaining amount is saved
II. Monthly savings of Mr. X are 4500
III. Out of the total money spent by Mr.X in a month, one-fifth is spent on food and remaining amount of Rs.20400 on other items.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 17

Let the income of Mr.X = y
From I and II
15% of y = 4500 => y = 30000
From II and III
4/5th of expenditure = 20400 => Expenditure = Rs. 25500, Savings = Rs.4500
Income = 25500 + 4500 = 30000
From I and III
4/5 of 85% of x = 20400
x = 30000
Thus any two of the three statements, are sufficient to answer the question. Ans option – None of the Above

Data Sufficiency MCQ - 2 - Question 18
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.What is the present age of Rahul?
I. The present age of Rahul is half of his father’s age
II. After 5 years, the ratio of ages of Rahul and his father is 6:11
III. Rahul is younger to his brother by five years
Detailed Solution for Data Sufficiency MCQ - 2 - Question 18

From Statement I and II,
Rahul’s age = x, His father’s age = 2x
x+5/2x+5 = 6/11
x=25 year

Data Sufficiency MCQ - 2 - Question 19
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What was the profit earned on the CP by Ramesh by selling an article?
I. He got 15% concession on labelled price in buying that article
II. He sold it for Rs.3060
III. He earned a profit of 2% on he labelled price in buying that article.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 19

Labelled price -x
From statement I, CP = 85% of x
From statement II and III, 2 = (3060 – x/ x)*100 x=3000
CP= 85% of 3000 = 2550
Thus All I, II and III together are required.

Data Sufficiency MCQ - 2 - Question 20
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What will be the share of R in the profit earned by V, R and A together?
I. They together invested an amount of Rs.54000 for a period of 1 year
II. R’s investment was 25% less than V’s and 50% more than A’s.
III. The profit of V is 4000 more than that of A.
Detailed Solution for Data Sufficiency MCQ - 2 - Question 20

Let A’s investment = x
From statement II
R’s investment = 150% of x = 1.5x
V’s investment = z = R’s investment was 25% less than V’s = 75% of z = 1.5x => 2x
A, V, R profit ratio = x : 2x :1.5x = 2:4:3
Let profit ratio of A, V, R be 2y, 4y and 3y
From statement III
4y-2y = 4000
y =2000
R’ share = Rs.6000
Statement II and III together are sufficient to answer the question.

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