In a code, 'A + B' means A is the father of B; 'A − B' means A is the wife of B; 'A × B' means A is the brother of B. In the expression 'P + Q × R', how is P related to R?

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Accepted Answer

Father. P + Q means P is the father of Q. Q × R means Q is the brother of R, so Q and R share the same father. Therefore P, the father of Q, is also the father of R.

In a code, 'A + B' means A is the father of B; 'A − B' means A is the wife of B; 'A × B' means A is the brother of B. In the expression 'P + Q × R', how is P related to R?

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