Question 112
A man makes a profit of 20% on the sale by selling 20 articles for Rs. 1. The number of articles he bought by Rs. 1 is
Solution
Selling price of 20 articles = 1 rs.
Profit on it = 20%
Hence cost price of 20 articles will be = 100/120 rs.
So in 1 rs. number of articles purchased were = $$\frac{120}{100} \times 20$$ = 24
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