Question

lemons are bought at the rate of 3 for ₹4. at what rate most they be sold to gain 20%.

Answer 1

3 lemons for 4 rupees.hence 1 lemon is brought for (4/3) i.e., 1.333 rupee each lemon.

Hence he brought lemon fro 1.33 and must gain 20% on selling.Hence selling price be y.

[(y-1.33)/1.33]*100=20

hence y i.e., selling price of each lemon must be 1.596.Hence he must sell 3 lemons for 3*1.596 i.e., 7.98/-