Question
Read the following information carefully and answer the
following question: All members of family P, Q, R, S, T, U are having dinner together. Q is the son of R but R is not the mother of Q. P is married to R. T is the younger brother of R. S is daughter of P and U is elder sister of Q. How many children does R have?Solution
Q is R’s son, so Q is a child of R. U is the elder sister of Q, so U is also a child of R. S is the daughter of P. Since P is married to R, S is also R’s child. Thus R has Q, U and S → 3 children.
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