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Railways Sample Paper RRB (Group D) Sample Test Paper-14

  • question_answer
    The sum of two numbers is\[\frac{28}{25}\]of the first number. The second number is what percent of the first?

    A)  12%                

    B)  14%

    C)  16%                

    D)  18%

    Correct Answer: A

    Solution :

    [a] Let the numbers be x and y. Then, \[x+y=\frac{28}{25}x\Rightarrow \,\,y=\frac{28}{25}x-\,x\Rightarrow \,\,y=\frac{3}{25}x\] \[\Rightarrow \,\,\frac{y}{x}=\left( \frac{3}{25}\times 100 \right)%=12%\]


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