| A dishonest shopkeeper uses false weight. He gains 20% on purchasing and 20% on selling. His profit percentage is |
A) 50%
B) 44%
C) 40%
D) 46%
Correct Answer: B
Solution :
| Here, \[{{r}_{1}}=20\]%, \[{{r}_{2}}=20\]% |
| \[\therefore \] Required profit percentage \[=\left( {{r}_{1}}+{{r}_{2}}+\frac{{{r}_{1}}{{r}_{2}}}{100} \right)\]% |
| \[=20+20+\frac{20\times 20}{100}=44\]% |
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