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    Question

    630.11 ÷ 20.98 × 5.14 – 125.9 =

    √?  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.) 
    A 784 Correct Answer Incorrect Answer
    B 576 Correct Answer Incorrect Answer
    C 484 Correct Answer Incorrect Answer
    D 729 Correct Answer Incorrect Answer

    Solution

    630 ÷ 21 × 5 – 126 = √? 30 x 5 – 126 = √? 150 – 126 = √? √? = 24 ? = 576 

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