SSC Sample Paper SSC CGL - Sample Paper-13

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

    A) 10% increase                 

    B) 10% decrease

    C) 8% increase       

    D) 8% decrease

    Correct Answer: C

    Solution :

    \[{{r}_{1}}=20%,\] \[{{r}_{2}}=-10%\] Net change \[=20-10-\frac{20\times 10}{100}\]             \[=20-12=8%\] Thus, the net increase is 8%        


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