Question

a pen is bought for twenty rupees and to to gain 20% SP of the pen​

Answer 1

cp = 20 rupees

profit percent = 20%

profit / cp × 100

20/20×100

= 100 rs

Answer 2

Answer:

cp=20

profit=20%

sp= cp (1+rp/100)

=20(1+20/100)

= 20(120/100)

= 20x 120/100

= 24rs