Arrange the following schemes in increasing order of discount. A. Buy 8 get 4 free. B. Single discount of 35%. C. Successive discounts of 20% and 12%.

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Answer & Explanation

Correct AnswerA. C, A, B

Quick Explanation

A gives 4/12 = 33.33% discount. B gives 35%. C gives 1 - 0.8×0.88 = 29.6%. Increasing order is C, A, B.

Successive discount = a+b-ab/100

A gives 4/12 = 33.33% discount. B gives 35%. C gives 1 - 0.8×0.88 = 29.6%. Increasing order is C, A, B.

Use the standard formula directly after identifying the quantities.

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