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    Question

    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.) 

    510.11 ÷ 16.98 × 5.14 – 119.9 =

    √? 
    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

    510 ÷ 17 × 5 – 120 = √? 30 x 5 – 120 = √? 150 – 120 = √? √? = 30 ? = 900 

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