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P,Q,R,S,T and U are members of a family. P and Q are married couple. S is the only son of R. P and R are brothers. T is the sister of S and U is the mother of P. How many male members are there in the family?

  • A.2
  • B.3
  • C.4
  • D.1

Answer: B

There are 3 male members.

  • P and R are brothers, so both are male.
  • S is R's only son, so S is male.
  • P and Q are a married couple; with P male, Q is P's wife.
  • T is S's sister and U is P's mother, so both are female.

So the males are P, R and S, and the females are Q, T and U. The answer 2 forgets one of the brothers or the son, and 4 counts Q as male.

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