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    If 23 @ 47 $ 22 = 48 and 34 @ 18 $ 13 = 39, then 12 @ 43 $ 14 = ?
    Question

    If 23 @ 47 $ 22 = 48 and 34 @ 18 $ 13 = 39, then 12 @ 43 $ 14 = ?

    A.

    35

    B.

    29

    C.

    41

    D.

    31

    Correct option is C


    We put @ = +, and $ = -
    23 @ 47 $ 22 = 48
    LHS = 23 + 47 – 22
    = 70 – 22
    = 48 RHS.
    34 @ 18 $ 13 = 39
    LHS = 34 + 18 - 13
    = 52 – 13
    = 39
    Similarly,
    12 @ 43 $ 14
    = 12 + 43 – 14
    = 41

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