Question 1

How many sons does X have ? I. Q and U are brothers of T. II. R is sister of P and U. III. R and T are daughters of X.

Accepted Answer

The information given in the three statements together is also not sufficient to answer the given question.

Question 2

How many brothers does Tarun have ? I. Tarun's father has three children. II. Tarun has two sisters.

Accepted Answer

From both the statements together, we find that Tarun's father has three children — Tarun and his two sisters This means that Tarun has no brother. So, both I and II are needed.

Question 3

In the last month the company decided to increase the cost of its mixer by 10 percent. What is the present price of the mixer? I. The cost of mixer and juicer together was Rs 2850 a month ago. II. The amount of 10% increase on the mixer comes to Rs …

Accepted Answer

The present price of the mixer can he calculated from statement II as follows Let the earlier price be Rs x. Then, 10% of x = 220 or x = 2200. Present price = Rs (2200 + 220) = Rs 2420. So, only II is needed.

Question 4

How much amount Ronnie required to pay for the new car in the buy-back scheme ? I. The cost of the new car was three times the cost price of his old car. II. His old car was valued at Its 25000 under buy-back scheme.

Accepted Answer

From both the statements together, we conclude that the price of the new car is Rs (25000 * 3) i.e. Rs 75000 So, Ronnie had to pay Rs (75000 - 25000) i.e. Its 50000. Thus, both I and II are required

Question 5

In a certain language, 'pit nac mit' means 'red pant shirt'. Which word means 'pant' in that language ? I. 'mit tim nac sir' means 'he wore red pant'. II. 'nee jic pit' means 'shirt is dirty'.

Accepted Answer

Clearly, from each of the statements, we find that the code for 'pant is either 'mit' or 'nee'. So, none of them is sufficient to answer the question.

Question 6

How many new year's greeting cards were sold this year in your shop ? I. Last year 2935 cards were sold. II. The number of cards sold this year was 1.2 times that of last year

Accepted Answer

From both the given statements, we find that the number of cards sold this year (2935 x 1.2) = 3522. S0. both I and II together are required.

Question 7

In a certain code language, '297' means 'tie clip button'. Which number means 'button' ? I. In that language '926' means 'clip your tie'. II. In that language '175' means 'hole and button'.

Accepted Answer

Comparing the information in the question with statement 1. we find that '2' and '9' are the codes for 'tie' and 'dip'. So, '7' represents 'button'. Thus, I alone iS sufficient. Again, comparing the information in the question with II, WO find that the common code number '7' stands for the common word 'button'. Thus, II alone also is sufficient.

Question 8

How is B related to A ? I. A is B's sister. II. is the father of A and B.

Accepted Answer

From statements I and II together, we can conclude only that either B is the sister or brother of A. So, even from both the statements, the exact relation cannot be known.

Question 9

Pradeep correctly remembers that his mother's is before twenty third February but after ninteenth February, whereas his brother correctly remembers that their mother's birthday is not on or after twentysecond February. On which day in February is de…

Accepted Answer

According to Pradeep : 20,21 or 22...(1) According to his brother : not 22....(2) From (1)&(2), the birthday falls on February 20 or 21.

Question 10

Who is C's partner in a game of cards involving four players A. B, C and D ? I. D is sitting opposite to A. II. B is sitting right of A and left of D.

Accepted Answer

Clearly, each of the given statements shows that B is sitting opposite to C or B is the partner of C.

Question 11

Who is the father of M ? I. A and B are brothers. II. Ws wife is sister of M's wife.

Accepted Answer

From II, we conclude that B is the brother-in law of M. So, even from both the statements, we can't find out who is the father of M

Question 12

In which year was Sanjay born ? I. Sanjay is six years older than Gopal. II. Gopal's brother was born in 1982. III. Sanjay's brother as two years younger than Gopal's brother who was eight years younger than Gopal.

Accepted Answer

From II, we know that Copal's brother was born in 1982. From III, we find that Gopal's brother was 8 years younger to him i.e. Copal was born in 1974. From I, we find that Sanjay is 6 years older than Gopal Thus. Sanjay was born in 1968. So. all the three statements are required.

Question 13

Is D brother of F ? I. B has two sons of which F is one. II. D's mother is married to B.

Accepted Answer

From I, we conclude that F is the son of B. From II, we conclude that B's wife is D's mother. This means that D and F are the sons of B and D is the brother of F. So, both I and II are required.

Question 14

Four subjects — Physics, Chemistry, Mathematics and Biology were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the Chemistry period scheduled ? I. Mathematics period ended at 10.00 a.m. which was preced…

Accepted Answer

From I and II. we conclude that Mathematics period began at 9.00 a.m., Biology period began at 8.00 a.m. and Physics period began at 11 a.m. So. the Chemistry period began at 10.00 a.m. From I and III, we conclude that Mathematics period ended and Chemistry period began at 10.00 a.m.

Question 15

Total money with Naresh and Ajay is 28 percent of that with Usman. How much money is Ajay having ? I. Usman has got Rs 75000. II. The ratio of money of Naresh to money held by Ajay is 1: 3.

Accepted Answer

From 1, we find that Total money with Naresh and Ajay = Rs {(28/1OO)x 75000} = 21000. From II, we find that money with Ajay = Rs {(3/4) x 21000 } = 15750. So, both I and II art required

Question 16

Who among Siddhartha, Nikunj, Vipul and Mukul is the youngest ? I. Vipul is younger than Mukul but older than Siddhartha and Nikunj. II. Mukul is the oldest. III. Siddhartha is older than Nikuw.

Accepted Answer

From I, we have : M>V, V> S, V > N. From II. we have : Mukul is the oldest. From 111, we have : S > N Combining (I) and (III) we get : M> V, V >S>N or M > V> S > N. Clearly, Nikunj is the youngest.

Question 17

Gaurav ranks eighteenth in a class. What is his rank from the last ? I. There are 47 students in the class. II. Jatin who ranks 10th in the same class, ranks 38th from the last.

Accepted Answer

To find the rank from other end, we need to know the total number of students in the class. So. I is sufficient. Also: from II, we can conclude that there are (10 + 38- 1 = 47) students in the class. So. II alone is also sufficient.

Question 18

How many pages of the book X did Robert read on Sunday ? I. The book has 300 pages out of which two-third were read by him before Sunday. II.Robert read the last 40 pages of the book on the morning of Monday.

Accepted Answer

From I and II we find that 200 pages before Sunday the last 40 pages on Monday. This means that he read (300 - (200 + 40)) = 60 pages on Sunday.

Question 19

How is Rakesh related to Keshav ? I. Tapan's wife Nisha is paternal aunt of Keshav. II.Rakesh is the brother of a friend of Nisha.

Accepted Answer

Clearly, both the statements together are not sufficient to answer the question.

Question 20

At what time did Sonali leave her home for office? I. Sonali received a phone call at 9:15 a.m. at her home. II. Sonali's car reached office at 10:15 a.m. 45 minutes after she left her residence.

Accepted Answer

From statement II, we conclude that Sonali left her home 45 minutes before 10.15 a.m. i.e, 9.30 a.m. Thus, only Ills needed

Data Sufficiency Questions