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. 38.8%.
Formula used:
Net discount of 2 successive discounts = A + B - AB/100 ---- (1)
Calculations:
Net discount of 10% and 15% discount = 10 + 15 - 150/100
⇒ 23.5%
Net discount of 23.5% and 20% discount = 23.5 + 20 - (23.5 × 20)/100
⇒ 38.8%