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SSC Sample Paper Mock Test-4 SSC CGL Tear-II Paper-1

  • question_answer
    A number is increased by 20% and then it is decreased by 10%. Find the net increase or decrease per cent

    A)  10% increase                

    B)  10% decrease

    C)  8% increase      

    D)  8% decrease

    Correct Answer: C

    Solution :

    Net per Cent change \[=A+B+\frac{AB}{100}\] Hence, A = 20%, B =\[-10%\] \[\therefore \]Per cent change \[=20-10-\frac{200}{100}=10-2=8%\] (+) ve sign shows increase  


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