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    Question

    420.11 ÷ 13.98 × 5.14 – 124.9 =

    √?  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 900 Correct Answer Incorrect Answer
    B 625 Correct Answer Incorrect Answer
    C 225 Correct Answer Incorrect Answer
    D 324 Correct Answer Incorrect Answer
    E 676 Correct Answer Incorrect Answer

    Solution

    420 ÷ 14 × 5 – 125 = √? 30 x 5 – 125 = √? 150 – 125 = √? √? = 25 ? = 625 

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