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    Question

    A number is decreased by 5% and then increased by 10%.

    What is the percent increase or decrease of the number thus obtained from the original number ?
    A 4% increase Correct Answer Incorrect Answer
    B 4.5% decrease Correct Answer Incorrect Answer
    C 4.5% increase Correct Answer Incorrect Answer
    D More than one of the above Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    ATQ, Decrease by 5% 100−(5% of 100) = 100−5 = 95 Increase by 10% 95+(10% of 95) = 95+9.5 = 104.5 To find the Percentage Change Change = 104.5−100 = 4.5    The number increases by 4.5%.

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