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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.) 3.91 X ?2 - 11.93 X 44.98 = 42.01 X 17.98
    A 40 Correct Answer Incorrect Answer
    B 76 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 95 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 3.91 X ?2  - 11.93 X 44.98 = 42.01 X 17.98 4 X ?2  - 12 X 45 ~ 42 X 18 4 X ?2 - 540 ~ 756 4 X ?2  ~ 1296 ?2  ~ 324 ? ~ ±18

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