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If 'A + B' means 'A is the brother of B','A – B' means 'A is the sister of B', 'A × B' means 'A is the father of B', then which of the following shows
Question

If 'A + B' means 'A is the brother of B',
'A – B' means 'A is the sister of B',
'A × B' means 'A is the father of B',
then which of the following shows that 'L is the father of K'?

A.

K – N × L + F

B.

N + K – F × L

C.

L × W – K + F

D.

F – L + N × K

Correct option is C

Given: 
'A + B' means 'A is the brother of B',

Symbols

+

-

×

Relations

Brother

sister

father

Let's analyze the options:
(a) K – N × L + F → False
(b) N + K – F × L → False
(c) L × W – K + F → True
According to the equation, family tree will be:
As per the family tree, 'L is the father of K'
(d) F – L + N × K → False
Thus, the correct option is (c)

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