1.

If A + B means 'A is the brother of B',A × B means 'A is the mother of B' andA ÷ B means 'A is the sister of B, which of the following means'X is the uncle of Y?'

A. X ÷ Y + A
B. X × A + Y
C. X + A × Y
D. X ÷ A + Y
Answer» D. X ÷ A + Y


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