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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.) 33.84 × 15.06 + 12.18 × 5.92 – 165.21 = ?
    A 417 Correct Answer Incorrect Answer
    B 500 Correct Answer Incorrect Answer
    C 520 Correct Answer Incorrect Answer
    D 172 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    33.84 × 15.06 + 12.18 × 5.92 – 165.21 = ?

    ≈ 34 × 15 + 12 × 6 – 165

    = 510 + 72 – 165

    = 582 – 165

    = 417

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