| P, Q, R and S are brothers. They have four kids L, M, N and 0. There are two boys and two girls and there is one pair of identical twins. S has no kids while the rest have at least one kid each. L and M are of same sex. P is not the father of L, Q is not father of N, R is not the father of 0 and M is the only child in the family. |
A) L, N
B) N, O
C) L, O
D) cannot be determined
Correct Answer: B
Solution :
L and M are of same sex and M is the only child in the family. So, L and M cannot be twins. Hence N and O are twins.
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