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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.)

    75.01 + 344.923 - 179.93 = ?3 of (√678 +

    3.89)
    A 18 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 22 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 75.01 + 344.923 - 179.93 = ?3 of (√678 + 3.89) 75 + 345 - 180 ~ ?3 of (√676 + 4) 420 - 180 ~ ?3 × (26 + 4) 240 ~ ?3 × 30 ?3 ~ 8 ? ~ 2

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