A single discount equivalent to the discount series of 20%, 10% and 5% is?
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Let MP be 100. ThenNet SP = (100 5)% of (100- 10)% of (100 20)% of 100= 95% of 90% of 80% of 100959080100100100 100 x 100 68.40Required discount = (100 - 68.40)% =31.6%
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