A Single Discount Equivalent to the Series of Discounts 20%, 10% and 5% is Equal to:

  1. 31.6%
  2. 32%
  3. 30%
  4. 30.7%
Anurag Mishra Professor Asked on 17th November 2015 in Maths.
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1 Answer(s)

Answer: (1) 31.6%

Explanation:-

The single discount of 20% and 10% = 20  + 10 – 20 x 10/100
 = 30 – 2
 = 28%

Again, the single discount 28% and 5% = 28 + 5 – 28 x 5/100
 = 33 – 28/20
 = 33 – 7/5
 = 33 – 1.4
 = 31.6%

Then. the single discount of 20%, 10% and 5% is equal to 31.6%.

Hence, the answer is (1) 31.6%.

Anurag Mishra Professor Answered on 18th November 2015.
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