Data Sufficiency Quiz Set 001

Question 1

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

How is N related to K?

1. N's brother is married to D.
2. D's sister is married to K.
A

if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

B

if the data in the statement II alone are sufficient to answer the question while the data in statement I alone are not sufficient to answer the question.

C

if the data either in statement I alone or in statement II alone are sufficient to answer the question.

D

if the data in both the statements I and II together are necessary to answer the question.

Soln.
Ans: d

From statement I, D is sister-in-law of N.

From statement II, K is husband of D's sister.

Question 2

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

When will the Indian population exceed Chinese population?

1. Population of China grows at the rate of 10% per decade and that of India at the rate of 15% per decade.
2. In 1980, Chinese population was 10 cores more than the Indian population.
A

if statement I alone is sufficient but statement II alone is not sufficient.

B

if statement II alone is sufficient but statement I alone is not sufficient.

C

if both statements I and II together are sufficient but neither of statements alone is sufficient.

D

if statements I and II together are not sufficient.

Soln.
Ans: d

Since the population of India as well as China is not given in the year 1980, hence, both the statements are not sufficient to answer the question.

Question 3

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

How many sisters does P have?

1. M and T are sisters of K.
2. D is husband of B who is mother of K and P.
A

if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

B

if the both in the statement II alone are sufficient to answer the question while the data in statement I alone are not sufficient to answer the question.

C

if the data either in statement I alone or in statement II alone are sufficient to answer the question.

D

if the data given in both the statements I and II together are not sufficient to answer the question.

Soln.
Ans: d

K, M, P, and T are children of B and D. M and T are sisters of K and P. But we do not know the sex of K and P.

Question 4

The following question consists of a question followed by two statements labeled I and II. You have to decide whether the data given in the statement (s) is /are sufficient for answering the question.

In a zoo 10% of the rabbits are added every year. What was the number of rabbits that the zoo had in 1994?

1. During 1996, 10 rabits were added.
2. During 1995, the zoo had 100 rabits.
A

if data in statement I alone are sufficient to answer the question while the data in statement II alone are not sufficient to answer the question.

B

if data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

C

if data either in statement I alone or in the statement II alone are sufficient to answer the question.

D

if data even in both the statements together are not sufficient to answer the question.

Soln.
Ans: b

From statement II, the number of rabits in 1994 = 100/1.1.

Question 5

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

Who is tallest among the five boys Sanju, Raman, Rakesh, Karan, and Veeru?

1. Rakesh is taller than Karan and Raman, but not as tall as Sanju.
2. Sanju is not the tallest.
A

if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

B

if the data in the statement II alone are sufficient to answer the question while the data in statement I alone are not sufficient to answer the question.

C

if the data either in statement I alone or in statement II alone are sufficient to answer the question.

D

if the data in both the statements I and II together are necessary to answer the question.

Soln.
Ans: d

From I, Sanju > Rakesh > (Karan, Raman).

From II, Veeru > Sanju.

∴ From I and II, Veeru is the tallest.