Multiple Choice Questions on A number is increased by 25 and then decreased by 25 the final value of the number is ........ for CDS Exam Preparation

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Multiple Choice Questions

A number is increased by 25 and then decreased by 25 the final value of the number is ........

Quantitative Aptitude (CDS) Percentage
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    A number is increased by 25% and then decreased by 25%, the final value of the number is?

    increase by 2%
     

    Incorrect Answer

    decrease by 3%
     

    Incorrect Answer

     decrease by 6.25%
     

    Correct Answer

    increase by 5%

    Incorrect Answer
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    Explanation:

    Here, x = 25 and y = - 25
    Therefore, the net % change in value
    =x + y + xy100 %
    = 25 + (−25) + 25 × −25100%  or  - 6.25%

    By: bhavesh kumar singh
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