Railways Sample Paper RRB (Group D) Sample Test Paper-12

  • question_answer
    A dishonest grocer sells rice at a profit of 10% and also uses weights which are 20% less than the marked weight. The total gain earned by him will be

    A)  35%                

    B)  37.5%

    C)  40%                

    D)  30.5%

    Correct Answer: B

    Solution :

    [b] Let us consider a packet or rice marked 1 kg. It's actual Weight is 80% of 1000 gm = 800 gm Let C.P. of each gm be Rs. 1, Then, C.P. of this packet = Rs. 800 S.P. of this packet = 110% of C.P. of 1 kg \[=\frac{110}{100}\times 1000=Rs.\,\,1110\] \[\therefore \,\,\,Gain\,\,%=\frac{(1100-\,800)}{1100}\times 100=37.5%\]

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