1.

In a certain code, P + R means P is the son of R; P – R means P is the wife of R and P x R means P is the father of R. If A + B - Q x S, then which of the following is true?

A. A is the grandson of S
B. S is the uncle of A
C. A is the brother of S
D. A is the sister of S
Answer» D. A is the sister of S


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