Question

If (i) A * B means A is the brother of B
(ii) A $\bullet$ B means A is the daughter of B
(iii) A $\Delta$ B means A is the sister of B
Which one of the following shows the relation that P is the maternal uncle of Q?

• A. $P\Delta R\bullet Q$
• B. $P\ast R\bullet Q$
• C. $Q\bullet R\Delta P$
• D. $Q\bullet R\ast P$

Answer 1

Answer: (C)

$Q\bullet R\Delta P$

With the information given,
Option A. P is the sister of R and R is the daughter of Q, therefore, P is wither daughter or son of Q. This is False
Option B. P is the brother of R and R is the daughter of Q. Therefore, P is the son of Q. This is False.
Option C. Q is daughter of R and R is the sister of P.P is the maternal uncle of Q.This is True
Answer is Option C