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    Question

    ? ² - – 37.5% of 1023.99 = 49.98% of

    31.98 What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
    A 6 Correct Answer Incorrect Answer
    B 37 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 65 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ? ² – 37.5% of 1023.99 = 49.98% of 31.98

    ? ² ~ (3/8) × 1024 + 50% × 32

    ? ²~ 384 + 16

    ? ²~ 400

    ? ~ √400 ~ 20

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