A sales man offers the following scheme discount on the sale of pencils in his shop: 'Buy 20 and get 5 free'. What is the percentage of his scheme discount?
A15%
B10%
C20%
D25%
Answer:
C. 20%
Read Explanation:
Scheme: Buy 20 and get 5 free
So total pencils received = 20 + 5 = 25 But paid for = 20