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    Question

    Find the approximate value of Question mark(?). There is

    no requirement to find the exact value. (899.78 ÷ 15.11) × (√143.94 + 10.02) – 230.14 = ?
    A 1090 Correct Answer Incorrect Answer
    B 1120 Correct Answer Incorrect Answer
    C 1350 Correct Answer Incorrect Answer
    D 1650 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    (899.78 ÷ 15.11) × (√143.94 + 10.02) – 230.14 = (900 ÷ 15) × (√144 + 10) - 230 = 60 × (12 + 10) - 230 = 60 × 22 – 230  = 1320 – 230  = 1090 Answer – A

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