Question

A fruit seller buys some dozen bananas at Rs 15 per dozen .at what price should he sell to gain 30%profit?

Answer 1

cost price =15
profit=30%
then selling price= 19.5

Answer 2

simple take 30% of 15 and add it to 15
30/100 x 15 = 4.5
therefore the seller needs to sell it at the rate of ₹19.50 / dozen to gain a profit of 30%