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    Question

    15.12 x 12.02 + 16.94 x 6.12 - 18.93 x 8.89 = ? -

    25.07 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.)
    A 136 Correct Answer Incorrect Answer
    B 105 Correct Answer Incorrect Answer
    C 160 Correct Answer Incorrect Answer
    D 175 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 15.12 × 12.02 + 16.94 × 6.12 – 18.93 × 8.89 = ? – 25.07 15 × 12 + 17 × 6 – 19 × 9 ~ ? – 25 180 + 102 – 171 ~ ? – 25 {282 – 171} ~ ? – 25 111 ~ ? – 25 111 + 25 ~ ? 136 ~ ?

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