If you can't explain a concept simply, you don't understand it well enough — yet.

Percentage, profit and loss, discount — quick quiz

5 RPF SI-pattern questions on Percentage, profit and loss, discount. Instant scoring and solutions — see where you stand in a few minutes.

Question 1 of 5

Medium

A shopkeeper claims to sell rice at cost price, but he uses a weight of 900 g in place of 1 kg. What is his gain percentage?