If A × B means that A is the father of B, A + B means that A is the mother of B, A – B means that A is the brother of B then which of the following expression shows that Q is the brother of P?

Question

Question

This question was previously asked in

SSC CGL 2022 Tier-I Official Paper (Held On : 05 Dec 2022 Shift 3)

Answer 1

By using the symbols in the table given below, we can draw the following family tree:

br testbook (1)

A × B means that A is the father of B.

A + B means that A is the mother of B.

A - B means that A is the brother of B.

Given relation code:

Find: Which expression shows that Q is the brother of P?

Let's check each option one by one.

Option 1) P + Q – R

F1 SSC Amit A 02-03-2023 D41

Here, Q is the son of P. (Incorrect)

Option 2) P – Q + R

F1 SSC Amit A 02-03-2023 D42

Here, Q is the sister of P. (Incorrect)

Option 3) P × R – Q

F1 SSC Amit A 02-03-2023 D43

Here, the gender of Q is not clear so we can't determine how Q is related to P. (Incorrect)

Option 4) P – Q × R

F1 SSC Amit A 02-03-2023 D44

Here, Q is the Brother of P. (Correct)

Hence, the correct answer is "Option 4".