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    Question

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

    following expression? 40% of 150 – ?% of 80 = 25% of 400
    A 27 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    40% of 150 – ?% of 80 = 25% of 400 150 × 0.4 – ?% of 80 = 400 × 0.25 60 – ?% of 80 = 100 60 – 100 = ?% of 80 ?% of 80 = 40 ? = (40/80) × 100 ? = 50

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