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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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