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.)

    (4.89)2 + √144.35 - √121.25 = ? 

    A 65 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 80 Correct Answer Incorrect Answer
    D 26 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, (4.89)2 + √144.35 - √121.25 = ? 52 + √144 - √121 ~ ? ? ~ 25 + 12 – 11 ? ~ 26

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