Question

    23.98% of 624.99 = 19.98% of ? + 14.98% of

    639.99 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 475 Correct Answer Incorrect Answer
    B 100 Correct Answer Incorrect Answer
    C 570 Correct Answer Incorrect Answer
    D 270 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    23.98% of 624.99 = 19.98% of ? + 14.98% of 639.99 24% of 625 ~ 20% of ? + 15% of 640 0.20 × ? + 0.15 × 640 ~ 0.24 × 625 0.20 × ? + 96 ~ 150 0.20 × ? ~ 54 ? ~ 270

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