 Data Sufficiency Questions for SBI /IBPS – PO & CLERK

Data Sufficiency Questions for SBI /IBPS – PO & CLERK

Online Banking Classes : Data Sufficiency is usually asked in all banking exams & it is an important topic as minimum 3-5 questions are asked from this chapter. In these problems, 2 or more statements will be given out of which one or more are necessary to answer the question. You have to choose your answer accordingly.

Let us look at some problems :  Data Sufficiency Questions & Answers

Q1. What is the speed of a train?

I The train crosses a pole in 12 seconds.

II The length of the train is 350 meters.

III The train crosses a platform double its length in 36 sec.

(a) I only

(b) II only

(c) Either I and II together or II and III together

(d) III only

(e) None of these

S1. Ans (c)
Using Statement, I & II
Speed = 350/12 = 29.16 m/s
Using Statement, II & III
Speed = (350*2)/36=19.45 m/s

Q2. What is a two-digit number?

I The number obtained by interchanging the digits of the number is lesser than the original number by 27.

II The ratio of digits of the original number is 5: 2.

III. The difference between the two digits of the original number is 3.

(a) I and II both

(b) Either I and II together or II and III together

(c) III only

(d) I and III

(e) None of these

S2. Ans (b)
From Statement I
(10x+y)  – (10y-x) = 27
x-y = 3
From Statement II
X : y = 5 : 2
From statement III
x-y  = 3
So the digit can be obtained by Either I and II together or II and III together

Q3. In how many days can 18 men and 8 women together complete a piece of work?

I 6 men complete the piece of work in 8 days.

II 16 women complete the piece of work in 10 days

III 9 boys take 16 days to complete the piece of work.

(a) I and III both

(b) II only

(c) I and II both

(d) Either (I & II) or (II & III)

(e) None of these

S3. Ans (c)
The required answer can be obtained by using both Statements I & II,
Statement III is irrelevant.

Q4. What is the area of the square?

I. The diagonal is 2 times the side of the square.

II. The ratio of the sides is given.

III. The perimeter of the square is 56 cm.

(a) I & II both

(b) II only

(c) III only

(d) I only

(e) None of these

S4. Ans (c)
From Statement III
Perimeter = 4a = 56
a = 14
Area = a*a = 14*14 = 196

Q5. What is the rate of interest per annum?

I The simple interest earned is Rs 4800 for a period of two years.

II The difference between the compound and the simple interest on an amount on equal interest rates is Rs 192 at the end of 2 years.

III An amount triples itself in 25 years at a simple rate of interest.

(a) I only

(b) II only

(c) I and III both

(d) Either I & II or III only

(e) None of these

S5. Ans (d)
From Statement I
4800 = P*R*2/100
PR = 240000
From Statement II
Difference = (PR^2)/〖100〗^2 =192
R = 8%
From Statement III
2P = P*R*25/100
R = 8%

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August 30, 2018

Permutations and Combinations – CBSE Class 11 Maths Solutions 