Question

in a shop there is a double discount of 10% and 20% on an article having price of rs 100. calculate the total discount​

Answer 1

Answer:

first discount:

100-10/100=90

second discount:

90-90*1/5=72

total discount=28 rs

Answer 2

Answer:

28

Step-by-step explanation:

use this trick for this type of conditions

(a+b) -(a*b) /100

(10+20)-(10*20)/100= 28%

hence 28% of 100 is 28rs