Multiple Choice Questions on If the price of a book is first decreased by 25 and then increased by 20 then the net change in the ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If the price of a book is first decreased by 25 and then increased by 20 then the net change in the ...........

Quantitative Aptitude ( CCS) Percentage
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    If the price of a book is first decreased by 25% and then increased by 20%, then the net change in the price will be

    10

    Correct Answer

    15

    Incorrect Answer

    20

    Incorrect Answer

    25

    Incorrect Answer
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    Explanation:

    Let the original price be Rs. 100.

    New final price  = 120 %  of (75 % of Rs. 100)

    = Rs. (120/100 * 75/100 * 100) = Rs. 90.

    Decrease = 10%

    Hence, option 1 is the correct answer.

    By: Amit Kumar
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