The retail price of a pen is 40 taka. As if got discount of 20% over the retail price and he eventually saved taka 240 on his total purchase of the pens. How many pens did he buy?

The retail price of a pen is 40 taka. As if got discount of 20% over the retail price and he eventually saved taka 240 on his total purchase of the pens. How many pens did he buy?

A 20

B 24

C 12

D 30

Solution

Correct Answer: Option D

40 এর 20%= 8 টাকা

Tk. 8 save in 1 pen

Tk. 240 save in 240/8=30 pen