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    Question

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

    ?2 - (40% of 240) = 25 X

    5
    A 16 Correct Answer Incorrect Answer
    B 30 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, ?2 - (40% of 240) = 25 X 5 ?2 - (0.4 X 240) = 32 X 5 ?2 - 96 = 160 ?2 = 160 + 96 ?2 = 256 ? = ±16

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