# Data Sufficiency Quiz Set 008

### 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 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 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.

On which day of the week was Kamal's birthday?

1. Kamal celebrated his birthday on day after Karan celebrated his birthday.
2. Kamal was born two days after his sister, who was born on 3rd day of the week.
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

The birthday of Karan is not known and 1st day of the week is not known. Hence, both the statements are not sufficient.

### 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 is Neha related to Swita?

1. Neha's mother is sister of Swita's father.
2. Swita is the daughter of Neha's grandmother's only son.
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 given in both the statements I and II together are not sufficient to answer the question.

Soln.
Ans: c

From I,

∴ Swita is the daughter of Neha's maternal uncle.

From II,

∴ Swita is the sister of Neha.

### Question 4

The following question contains a question and two statements giving certain information. Decide whether the information given in statements are sufficient for answering the question.

Does TV viewing affect the performance of students?

1. The number of failures in class XII is more this year.
2. TV watching is harmful to the eyes.
A

if the statement I alone sufficient to answer.

B

if statement II alone is needed.

C

if both statements I and II are needed.

D

if both statements I and II are not sufficient to answer the question.

Soln.
Ans: d

Neither of the statement I and II contains sufficient data to answer the question. The failure could be because of other factors like bad teachers. If TV watching is harmful to the eyes then it doesn't prove that it affects the performance of students.

### Question 5

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.

What will come in place of c in the series a, b, c, d, e?

1. a, b, c, d, e, are five consecutive even numbers.
2. Common difference between two consecutive numbers is 2 and a is the second smallest natural number.
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 in both the statements I and II together are needed to answer the question.

Soln.
Ans: d

Smallest natural number is 1, so a is 2. So b is 4 and c is 6. With the combinations of two statements, it is clear that number 6 will come in place of c. 