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SSC Sample Paper SSC (Group-C) Sample Test Paper-7

  • question_answer
    If the length of a rectangular plot of land is in- creased by 5% and the breadth is decreased by 10%. how much will its area increase or decrease?

    A)  \[6.5%\]increase        

    B)  \[5.5%\]decrease

    C)  \[5.5%\]increase

    D)       \[6.5%\]decrease

    Correct Answer: B

    Solution :

     Net effect \[=\left( x-y-\frac{xy}{100} \right)%\] \[=\left( 5-10-\frac{5\times 10}{100} \right)%\] \[=(-5-0.5)%=5.5%\] The negative sign shows decrease.


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