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    Question

    What will come in place of question mark (?) in the given expression?

    [4(1/3) + 4(1/4)] × 24 – 62 = ?2

    A 18 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer
    E 16 Correct Answer Incorrect Answer

    Solution

    [4(1/3) + 4(1/4)] × 24 – 62 = ?2 => [(13/3) + (17/4)] × 24 – 62 = ?2 => [(52 +51)/12] × 24 – 62 = ?2 => 103/12 × 24 – 62 = ?2   => ?2 = 103 × 2 – 62 = ?2 => ?2 = 206 – 62 => ? = √144 => ? = ±12

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