Question 14

A + B means ‘B is the daughter of A’;
A $$-$$ B means ‘B is the sister of A’;
A $$\times$$ B means ‘B is the husband of A’;
A $$ \div $$ B means ‘A is the father of B’.
If, P $$\div$$ R $$\times$$ T + Q $$-$$ S $$\times$$ U + Z, then how is R related to Z?

Solution

P $$\div$$ R means ‘P is the father of R’

R $$\times$$ T means ‘T is the husband of R’

T + Q means ‘Q is the daughter of T’

Q $$-$$ S means ‘S is the sister of Q’

S $$\times$$ U means ‘U is the husband of S’

U + Z means ‘Z is the daughter of U’

The family tree for the above relations is

$$\therefore\ $$R is the Maternal grandmother of Z

Hence, the correct answer is Option B

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