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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 βˆ’ 49.92Β²) = ?
    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 βˆ’ 49.92Β²) β‰ˆ (√5776 + 64% of 1250 βˆ’ 50Β²) β‰ˆ (76 + (0.64 Γ— 1250) βˆ’ 2500) β‰ˆ (76 + 800 βˆ’ 2500) β‰ˆ 876 βˆ’ 2500 = βˆ’1624

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