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 M related to Q if ‘M + N ÷ O × P – Q’?

This question was previously asked in
RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 1)
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  1. Brother's wife's mother's mother
  2. Brother's wife's mother's sister
  3. Brother's wife's father's sister
  4. Brother's wife's father's mother

Answer (Detailed Solution Below)

Option 4 : Brother's wife's father's mother
Free
RRB NTPC Graduate Level Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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Decoding symbols:

A is
Symbol + × ÷
Meaning Mother Brother Wife Father
to B

Given: M + N ÷ O × P – Q

M + N → M is the mother of N.

N ÷ O → N is the father of O.

O × P → O is the wife of P.

P – Q → P is the brother of Q.

Thus, M is Q's brother's wife's father's mother.

Hence, the correct answer is "Option 4"

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