Profit-and-Loss

Question 1

What is the exact equivalent discount of three successive discounts of 10%, 15% and 20% by sale of an article?

A
35.8%
B
38.5%
C
35.5%
D
38.8%
Mathematical-ReasoningProfit-and-LossUGC-NET Dec 2019 Part-1
Question 1 Explanation: 
Single equivalent discount for successive discounts of 10% and 15%.
= (10+15- (15*10)/100)%
= 23.5%
Single equivalent discount for 23.5% and 20%
=(23.5+20-(23.5*20)/100)%
=38.8%
There is 1 question to complete.

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