Successive discounts of 10%,15% and 20% amount to a single discount of:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 38.80%
Given that
Successive discounts of 10%, 15%, and 20%
Firstly, the single discount of the successive discounts of 10% and 15%
= 10 + 15 - (10 × 15/100) = 25 - 1.5 = 23.5%
Now, the single discount of the successive discounts of 23.5% and 20%
= 23.5 + 20 - (23.5 × 20/100) = 43.5 - 4.7 = 38.8%