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    Question

    What approximate value should come in the place of (?) in the following questions? (Note:- You don't need to calculate the exact values)

    210.34 + 16.92² + ?³ = √900.56 *

    31.23
    A 13 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D 3 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    210.34 + 16.92² + ?³ = √900.56 * 31.23

    210 + 17² + ?³ = √901 * 31

    210 + 289 + ?³ = 30 * 31

    499 + ?³ = 930

    ?³ = 431

    ? ≈ 8

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