## Discussion

#### Q.

By selling 20 articles for a rupee, a man losses 4%. How many articles for a rupee should he sell so as to make a gain of 20%?

 A. 18 B. 16 C. 12 D. 15

#### Explanation:

Selling price of each article =$\frac{1}{20}$

96 % = $\frac{1}{20}$

120 % =$\frac{1}{20×96}×120=\frac{1}{16}$ (Price of 1 article)

Hence 16 for a rupee