Question

A shopkeeper purchases pens for Rs.40 per dozen and sells them for Rs.50 per dozen .find his profit or loss and profit or loss percent.

Answer 1

Cost price = Rs. 40
Selling price = Rs. 50
Profit = Selling price - Cost price
= Rs. 50 - Rs. 40
= Rs. 10
Profit percent = Profit / cost price × 100
= 10/40 × 100
= 25%