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    Question

    620.15 + 1279.98 + ? × (4.79)2 = 149.95% of

    1600.14 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 55 Correct Answer Incorrect Answer
    B 45 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

    ATQ, 620.15 + 1279.98 + ? × (4.79)2 = 149.95% of 1600.14 620 + 1280 + ? × 52 ~ 150% of 1600 1900 + ? × 25 ~ 1.5 × 1600 ? × 25 ~ 2400 - 1900 ? ~ (500 ÷ 25) ? ~ 20

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