# A fruit seller buys lemons at 2 for a rupee and sells them at 5 for three rupees. What is his profit? (a) 15% (b) 20% (c) 10% (d) 25%

Cost price of one lemon = Rs 1/2 = 0.5

Selling price of one lemon = Rs 3/5 = 0.6

Profit (%) = $$\frac{0.6 – 0.5}{0.5}\times 100%$$

On calculation, we get,

⇒ 20%

Therefore, the correct option is (b)