A shopkeeper buys a watch for Rs. 350/- and sells it for Rs. 392/-, Find his percentage of profit?

A shopkeeper buys a watch for Rs. 350/- and sells it for Rs. 392/-, Find his percentage of profit?

Explanation

Profit = Selling Price - Cost Price = Rs. 392 - Rs. 350 = Rs. 42

Percentage of Profit = (Profit / Cost Price) × 100

= (42 / 350) × 100 = 12%