Instructions

Data Sufficiency: In each of the following Questions you find a question followed by two statements labelled (I) and (II). You have to decide whether these statements answer the given questions. Mark your option as

Question 190

Is A, a sister of B?
I) B is asister of A
II) A is father of two children P and Q

Solution

Statement 1 alone leaves it quite ambiguous whether A is a male or a female.
However, statement 2 makes it clear that A is a male and thus, no chance of him being a sister of B.
Hence, statement 2 alone makes it possible to answer the question.

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Is A, a sister of B?
I) B is asister of A
II) A is father of two children P and Q