Store P offers a flat 30% off a cooler marked at ₹4,000. Store Q offers 20% off followed by a further 15% off on the same marked price. Which store is cheaper, and by how much?

Store Q, by ₹200Correct answerYour answerStore P, by ₹80Correct answerYour answerBoth cost the sameCorrect answerYour answerStore Q, by ₹80Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

Store P: 70% of ₹4,000 = ₹2,800.
Store Q: $0.8 \times 0.85$ × ₹4,000 = ₹2,720.
Store Q is cheaper by ₹2,800 − ₹2,720 = ₹80.

Worth noting

Store Q's two discounts work out to a single 32%, which beats a flat 30%. ₹200 treats Store Q's offer as 35%.

Concept: Comparing a flat discount with successive discounts
Typical timeTypical: 65 s
Your timeYours: —

The rule this testsSuccessive discounts

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Ten questions from Profit, Loss & Discount, at your own pace.

Store P offers a flat 30% off a cooler marked at ₹4,000. Store Q offers 20% off followed by a further 15% off on the same marked price. Which store is cheaper, and by how much?

Explanation