A) Rs.28
B) Rs.25
C) Rs.20
D) Rs.15
Correct Answer: A
Solution :
Selling price of radio = 972 \[100+g%=\frac{150\times 70}{100}=105\] We know, \[SP=\left( \frac{100+gain%}{100} \right)CP\] \[CP=\frac{10}{11},SP=\frac{11}{10}\] \[gain%=\frac{\frac{11}{10}-\frac{10}{11}}{\frac{10}{11}}\times 100=21%\] \[\because \] Now, selling price = 872, CP = 900 \[\frac{CP(100+g)}{100}=\frac{M.P.(100-d)}{100}\] Loss \[100\times (100+8)=120\times (100-d)\]You need to login to perform this action.
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