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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.)

    (462.23 × 127.84 ÷ 153.88) ÷ √(31.98 × 7.92) = ?

    ÷ 15.15
    A 360 Correct Answer Incorrect Answer
    B 200 Correct Answer Incorrect Answer
    C 165 Correct Answer Incorrect Answer
    D 155 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, (462.23 × 127.84 ÷ 153.88) ÷ √(31.98 × 7.92) = ? ÷ 15.15 (462 × 128 ÷ 154) ÷ √(32 × 8) ~ ? ÷ 15 {(3 × 128) ÷ √256} × 15 ~ ? ? ~ (384 ÷ 16) × 15 ? ~ 24 × 15 ? ~ 360

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