Question

    79.99% of (84.89 × 5.99) - (3.89)2 × 21.87

    = ? 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 39 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 56 Correct Answer Incorrect Answer
    D 76 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 79.99% of (84.89 × 5.99) - (3.89)2 × 21.87 = ? 80% of (85 × 6) - (4)2 × 22 ~ ? 80% of 510 - 16 × 22 ~ ? 408 - 352 ~ ? ? ~ 56

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