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In a certain code, 'A $ B' means A is the father of B, 'A # B' means A is the sister of B and 'A @ B' means A is the wife of B. In the expr…

2017Medium DSSSB TGT Computer Science 0 replies 1 views

In a certain code, 'A $ B' means A is the father of B, 'A # B' means A is the sister of B and 'A @ B' means A is the wife of B. In the expression 'P @ Q $ R # S', how is S related to Q?

ASon
BSon or daughter
CDaughter
DNephew

Correct answer: B

Explanation

P is Q's wife, Q is R's father and R (a girl) is the sister of S, so S is a brother or sister of R, i.e. a child of Q - but the gender of S is not given.

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