Question

Question 1: A person buys a pen from a wholesaler at Rs. 10 for 20 pens. He sells those pens at Rs.
10 for 15 pens. Find his profit or loss percent.​

Answer 1

Step-by-step explanation:

C.P of 20 pens = Rs.10

C.P of 1 pen = 10/20

=0.50

S.P of 15 pens =Rs.10

S.P of 1 pen =10/15

=0.75

SINCE S.P>C.P

SO PROFIT

Profit =S.P -C.P

= 0.75-0.50=0.25

profit percent= profit /cost *100

=0.25/0.50*100

=50

Answer 2

Given,

buys 20 pens for rs10

sells 15 pens for rs 10

To find,

profit or loss percentage

Solution

CP - Cost Price

SP - Selling Price

C.P of 20 pens = Rs.10

C.P of 1 pen = 10/20

=0.50

S.P of 15 pens =Rs.10

S.P of 1 pen =10/15

=0.75

SINCE S.P is greater than C.P we can the person gained profit by selling the pens

Profit =S.P -C.P

= 0.75-0.50

= 0.25

profit percent= profit /cost *100

=0.25/0.50*100

=50%

Thus the person made 50% profit by selling the pens