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    Question

    What approximate value will come in place of question (?) in the following given expression? You are not expected to calculate the exact value.

    (√899.69 + 49.83% of 640.24)² - (7/8 of 479.79) =

    ?
    A 150464 Correct Answer Incorrect Answer
    B 144160 Correct Answer Incorrect Answer
    C 122080 Correct Answer Incorrect Answer
    D 140560 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    = (√899.69 + 49.83% of 640.24)² - (7/8 of 479.79 = (√900 + 50% of 640)² - (7/8 of 480) = (30 + 0.5 × 640)² - (7/8 × 480) = (30 + 320)² - 420 = 350² - 420 = 122500 - 420 = 122080 Answer: C

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