Three successive discounts of 10% are equivalent to a single discount of?
Correct Answer: 27.1%
Subject: History
Explanation: Two successive discounts of 10% = 10 + 10 - (10 × 10) / 100 = 19%.
Now calculating for 19% and the third 10% discount = 19 + 10 - (19 × 10) / 100 = 29 - 1.9 = 27.1%.