CA Foundation · Quantitative Aptitude · Blood Relations
In a code, 'A # B' means 'A is the mother of B', 'A $ B' means 'A is the sister of B' and 'A * B' means 'A is the son of B'. In the expression 'P * Q # R $ S', how is P related to S?
P is the brother of S. P is the son of Q, and R is also Q's child. S is a sibling of R, so S belongs to the same set of children. P is male, which makes him S's brother.
- ACousin
- BBrotherCorrect
- CUncle
- DSon
Explanation
P * Q means P is the son of Q, so P is male. Q # R means Q is the mother of R, so P and R are siblings. R $ S means R is the sister of S, so S is also a sibling. Hence P, a male, is the brother of S. Cousin is wrong because all of them share the same mother, Q.
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