Discussion of Question with ID = 057 under Data-Sufficiency

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Question

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.