A & B means A is sister of B.
 
A ! B means A is the brother of B.
 
A % B means A is the daughter of B.
 
A > B means A is the son of B.
 
A = B means A is the father of B.
 
A ~ B means A is the husband of B.
 
Which of the following means that B is the mother of A?

This question was previously asked in
CRPF Constable Technical Tradesman Official Paper (Held On: 01 July 2023 Shift 1)
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  1. A & C % D ~ B
  2. A > C ~ D & B
  3. B ! D ~ A % C
  4. A ~ D ! C > B

Answer (Detailed Solution Below)

Option 1 : A & C % D ~ B
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Detailed Solution

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Preparing a family tree using the following set of symbols:

qImage64e75f70990bf920eb29dc68

1) A & C % D ~ B
F1 Vinanti Defence 12.09.23 D1 V2

2) A > C ~ D & B

F2 Savita Defence 25-8-23 D25

3) B ! D ~ A % C

F2 Savita Defence 25-8-23 D26

4) A ~ D ! C > B

F2 Savita Defence 25-8-23 D27

Therefore, in "Option (1) only, B is the mother of A clearly.

Hence, the correct answer is "Option (1)".

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