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    Question

    (1200.11 ÷ 39.79) × (√224.85 + √49.03) + 20% of

    479.79 = ? What approximate value will come in place of question (?) in the following given expression? You are not expected to  calculate the exact value.
    A 640 Correct Answer Incorrect Answer
    B 712 Correct Answer Incorrect Answer
    C 756 Correct Answer Incorrect Answer
    D 810 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    (1200.11 ÷ 39.79) × (√224.85 + √49.03) + 20% of 479.79 = (1200 ÷ 40) × (√225 + √49) + 20% of 480 = 30 × (15 + 7) + 96 = 30 × 22 + 96 = 660 + 96 = 756

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