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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.) (5.98 2 X 15.01 + ?) X 2.97 - 27.01 X (7.01 2 + 1) = 19.98 X (6.01 2 - 5.99)
    A 135 Correct Answer Incorrect Answer
    B 175 Correct Answer Incorrect Answer
    C 155 Correct Answer Incorrect Answer
    D 110 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, (5.982 X 15.01 + ?) X 2.97 - 27.01 X (7.012 + 1) = 19.98 X (6.012 - 5.99) (62 X 15 + ?) X 3 - 27 X (72 + 1) ~ 20 X (62  - 6) (36 X 15 + ?) X 3 - 27 X 50 ~ 20 X 30 (540 + ?) X 3 - 1350 ~ 600 (540 + ?) X 3 ~ 1950 (540 + ?) ~ 650 ? ~ 110

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