Question

The selling price of 10 pencils is equal to the cost price of 11 pencils. What is profit percentage?

Answer 1

hey,

let the SP = 11
cp = 10

gain = 11 - 10

= 1

gain℅ = 1 × 100/10

= 10℅

hope it's help you..

Answer 2

Answer:

Step-by-step explanation:

sp of 10 pencils=cp of 11 pencil=x

so cp of one pencil=x/11

and sp of one pencil is =x/10

profit=sp-cp=x/10-x/11

                     =x/110

profit %=profit*100/cp

              =x*100*11/110*x=10%

so profit percentage=10%