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Profit, Loss & Discount · Question 59 of 72

Question 59

EasyOriginal question

What single discount is equivalent to successive discounts of 25% and 20%?

5%Correct answerYour answer22.5%Correct answerYour answer40%Correct answerYour answer45%Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Price paid = $0.75 \times 0.8 = 0.6$ of MP.
Single discount = $1 - 0.6 = 40\%$ .

Worth noting

Shortcut: $a + b - \frac{ab}{100} = 25 + 20 - \frac{25 \times 20}{100} = 40\%$ .

Concept: Single discount equivalent to two successive discounts
Typical timeTypical: 35 s
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The rule this testsSuccessive discounts

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