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CA Foundation · Quantitative Aptitude · Blood Relations

In a certain code, 'P # Q' means 'P is the father of Q', 'P @ Q' means 'P is the sister of Q' and 'P % Q' means 'P is the mother of Q'. If 'A @ B # C', how is A related to C?

A is the sister of B, and B is the father of C. The sister of a person's father is the paternal aunt, so A is C's aunt (father's sister). She is not the mother because she is B's sister, not his wife.

  1. AAunt (father's sister)Correct
  2. BMother
  3. CGrandmother
  4. DSister

Explanation

A @ B means A is the sister of B. B # C means B is the father of C. So A is the sister of C's father, which makes A the paternal aunt of C. Mother would need A to be B's wife, not sister.

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