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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.) (√5776 + 64.05% of 1249.98 − 49.92²) = ?
    A 1090 Correct Answer Incorrect Answer
    B -1210 Correct Answer Incorrect Answer
    C 1260 Correct Answer Incorrect Answer
    D -1624 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    (√5776 + 64.05% of 1249.98 − 49.92²) ≈ (√5776 + 64% of 1250 − 50²) ≈ (76 + (0.64 × 1250) − 2500) ≈ (76 + 800 − 2500) ≈ 876 − 2500 = −1624

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