Is Gulshan the brother of Roshan?
I. Roshan is the son of Madan Singh.
II. Gulshan is the son of Madan Singh.

Options

A. If statement (I) alone is sufficient to answer the question.
B. If statement (II) alone is sufficient to answer the question.
C. If either (I) or (II) alone is sufficient to answer the question.
D. If both statements (I) and (II) taken together are sufficient to answer the question.

Answer

D

Explanation

Since Both have the same father, they must be brothers.
Thus, both statements I and II are together sufficient to answer the question.
Therefore, the answer choice is (d).