Question

In a certain code language, A + B means ‘A is the mother of B’, A − B means ‘A is the brother of B’, A × B means ‘A is the wife of B’, and A ÷ B means ‘A is the father of B’. How is Z related to V if ‘X × Y ÷ Z × U ÷ W − V’?

• A. Mother's mother
• B. Husband's mother
• C. Father's mother
• D. Mother

Answer 1

Answer:

D. Mother

Z is the mother of V. Let's decode the relevant parts of the expression from left to right: * Z × U: Z is the wife of U (Z is female, U is male). * U ÷ W: U is the father of W. * W − V: W is the brother of V. Since U is the father of W, and W is the brother of V, U must be the father of V. Since Z is the wife of U, Z is the mother of V. If you want, I can: