CA Foundation · Quantitative Aptitude · Blood Relations
In a certain code, 'A # B' means 'A is the mother of B', 'A * B' means 'A is the brother of B', and 'A @ B' means 'A is the husband of B'. Which expression shows that P is the maternal uncle of T?
The expression P * Q # T is correct. It says P is the brother of Q and Q is the mother of T, so P is the brother of T's mother, which is by definition T's maternal uncle.
- AP * Q # TCorrect
- BP @ Q # T
- CQ # P * T
- DP * Q @ T
Explanation
Maternal uncle means mother's brother. P * Q says P is the brother of Q, and Q # T says Q is the mother of T. Together P is the brother of T's mother, i.e. T's maternal uncle. P @ Q # T makes P the father of T. Q # P * T makes P a son of Q and brother of T.
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