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.) 17.77 × 25.91 + 14.46 × 6.18 – 272.05 = ?
    A 280 Correct Answer Incorrect Answer
    B 180 Correct Answer Incorrect Answer
    C 145 Correct Answer Incorrect Answer
    D 320 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    17.77 × 25.91 + 14.46 × 6.18 – 272.05 = ?

    ≈ 18 × 26 + 14 × 6 – 272

    = 468 + 84 – 272

    = 552 – 272

    = 280

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