Profit, loss and discount

Cost price, selling price, discount and marked price.

General Test6 questions
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Key ideas

  • Profit = SP − CP; Loss = CP − SP; percentages are always on cost price.
  • Discount is calculated on the marked price: SP = MP × (1 − discount%).
  • Successive discounts of a% and b% equal a single discount of a + b − ab/100 %.

Practice questions

A shopkeeper sells an item for ₹540 and makes a profit of 20%. What was the cost price?Easy
An article bought for ₹400 is sold for ₹500. What is the profit percentage?Easy
A shirt marked at ₹800 is sold at a 15% discount. What is the selling price?Easy
Successive discounts of 20% and 10% are equal to a single discount of:Medium
A trader sells an item at a loss of 10% for ₹450. What was the cost price?Medium

Practise all 6 questions as a set

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