Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement are sufficient to answer the question. Read both the statements and give answer.
How many daughters does M have ?
a: P and Q are the only daughters of N.
b: D is brother of P and son of M. D and Q are siblings.
Using statement a, we know that P and Q are only daughters of N. But we cannot establish any relationship between N and M. Hence, statement a alone is insufficient.
Using statement b, we know that D,Q and P are the children of M. Bot we do not know whether Q is a male or female member. Hence, statement b alone is insufficient.
Using both statements A and B,we can conclude that D,P and Q are siblings and they are children of M and N. Also, it is clear that P and Q are the only daughters of M and N (from statement a). Hence, both the statements together are necessary to solve the question. Option E is the right answer.
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