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    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.

    (519.98 + ?) ÷ 13.01 = √440 +

    20.0
    A 45 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 13 Correct Answer Incorrect Answer
    D 75 Correct Answer Incorrect Answer
    E 55 Correct Answer Incorrect Answer

    Solution

    ATQ, (519.98 + ?) ÷ 13.01 = √440 + 20.01 (520 + ?) ÷ 13 ~ √441 + 20 40 + ? ÷ 13 ~ 21 + 20 ? ÷ 13 ~ 41 – 40 ? ~ 13

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