Question

    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.) 17.5% of ? + √400.47 = 26.1% of 180.78
    A 162.5 Correct Answer Incorrect Answer
    B 105 Correct Answer Incorrect Answer
    C 134.5 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    17.5% of ? + √400.47 = 26.1% of 180.78

    18% of ? + √400 ~ 26% of 181

    (18/100) × ? + 20 ~ 47

    (18/100) × ? ~ 47 – 20

    ? ~ 27 × (100/18)

    ? ~ 150

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