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SSC Sample Paper SSC CGL - Sample Paper-5

  • question_answer
    A student multiplying a number by \[\frac{3}{5}\] instead of \[\frac{5}{3}.\] What is Percentage error in the calculation?

    A)  44%                            

    B)  34%    

    C)  54%                            

    D)  64%

    Correct Answer: D

    Solution :

    Let the number be x. Then, difference in result \[=\frac{5}{x}x-\frac{3}{5}x\]                         \[=\frac{16}{15}x\] Per cent error in result \[=\frac{16x/15}{5x/3}\times 100%\]                         \[=64%\]


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