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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-9

  • question_answer
    One variety of sugar is sold for Rs. 3.20 per kg at a loss of 20% and another variety is sold for Rs. 6 per kg at a gain of 20%. If equal quantities of the two are mixed together and the mixture is sold at Rs. 5.40 per kg. What is the loss or gain percentage?

    A)  Gain 20%        

    B)  Loss 20%

    C)  No profit; No loss

    D)  None of the above

    Correct Answer: A

    Solution :

    80% sugar = Rs. 3.20 100% sugar \[=\frac{3.20}{80}\times 100=\]Rs. 4 \[\therefore \] 12% sugar = Rs. 6 100 sugar \[=\frac{6}{120}\times 100=\]Rs. 5 \[\because \] CP of 2 kg = Rs. 9 \[\therefore \] CP of 1 kg = Rs. 4.50 \[\therefore \] Percentage profit \[=\frac{0.90}{4.50}\times 100=20%\]


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