Question

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is

A) 31.6% B) 31.5% C) 31% D) 31.4% ​

Answer 1

Answer:

31.6

Step-by-step explanation:

x price becomes 0. 8x after 20 percent discount

0.8 x price becomes 0. 72 x after 10 percent discount

. 72x price becomes 0. 684 x after 5 percent discount

equivalent discount (x- 0.684 x) *100 = 31.6