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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-26

  • question_answer
    If 11 pencils are bought for Rs. 10 an 10 pencils are sold for Rs. 11, then what is the gain?

    A)  18%                

    B)  16%

    C)  21%                

    D)  10%

    Correct Answer: C

    Solution :

    Selling price of 10 pencils = Rs. 11 SP of 1 pencil \[=\,\,Rs.\,\,\frac{11}{10}\] SP of 11 pencils\[=\frac{11}{10}\times 11=\,\,Rs.\,\,\,12.1\] Profit = Rs.\[(12.1-0)=Rs.\,\,2.1\] Profit percentage\[=\frac{2.1}{10}\times 100=21%\]


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