Question

By selling an article for rs.19.50 a dealer makes a profit of 30%. by how much should he increase his selling price to make a profit of 40%?

Answer 1

30 Percent of 19.50
=30/100 * 1950/100
=3/10*195/10
=117/10

Answer 2

Refer to the image.

The article must be sold in Rs. 21 to earn 40% profit

Hope it helps!!