| Even after reducing the marked price of a pen By Rs. 32, a shopkeeper makes a profit of 15%. If the cost price be Rs. 320, what percentage of profit does he make if he sells the pen at the marked price? |
A) 25%
B) 20%
C) 10%
D) 30%
Correct Answer: A
Solution :
| \[SP=\frac{115}{100}\] |
| \[CP=\frac{115}{100}\times 320=368\] |
| \[SP=MP-32\] |
| \[MP=SP+32\] |
| \[=368+32=400\] |
| Profit % = \[\frac{100-320}{320}\,\times \,\]100 = 25% |
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