Question

By selling 45 lemons for Rs 40, a man loses 20%. How many should he sell for Rs 24 to gain 20% in the transaction ?

Answer 1

Cost price of 45 lemons = $\frac{40\times 100}{80}=50$

Selling price of 45 lemons to gain 20% profit

$=\frac{50\times 120}{100}=Rs60$

No. of lemons he should sell for Rs 24 to gain 20% profit = $\frac{45\times 24}{60}=18$