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Question

Show that successive discounts of 20% and 15% are equivalent to a single discount of 32%.

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Solution

Suppose Cost Price is RS. 100

Then 20% discount means Selling Price is RS.80

But again on this price there's a discount of 15%

Therefore the final selling price is 80(80×15)100=RS.68

Therefore total discount =((CPSP)×100)CP=32%


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