1.

If a + b means a is sister of b,a - b means a is brother of b,a x b means a is daughter of b,a ÷ b means a is mother of b,Which of the following relationship shows that p and r are wife and husband?

A. p ÷ q x r
B. p - q x r
C. p + q x r
D. p + q - r
Answer» B. p - q x r


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