If C $ D means C is the husband of D, C & D means C is the mother of D and C % D means C is the son of D, then what does X % Z $ W & Y mean if W has only one son?

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RRB ALP Electrician 22 Jan 2019 Official Paper (Shift 1)
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  1. Y is the son of X
  2. Y is the brother of X
  3. X is the son of Y
  4. X is the brother of Y

Answer (Detailed Solution Below)

Option 4 : X is the brother of Y
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Detailed Solution

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C is

$

&

%

Husband

Mother

Son

to D

 

X % Z $ W & Y → X is son of Z, Z is husband of W, W is mother of Y.

The family tree diagram is shown below:

Common Diagram 28.01.2020 D3

 

F1 Z.K 12.6.2 Pallavi D 15

1) Y is the son of X → False

2) Y is the brother of X → False

3) X is the son of Y → False

4) X is the brother of Y → True

Hence, X is the brother of Y.

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