Zakir bought 12 apples for Tk 10 and sold 10 apples for Tk What is his profit margin?

A 20%

B 36%

C 44%

D 45%

Correct Answer: Option C

buying price of 12 apple is 10 tk

buying price of 1 apple is 10/12 tk

selling price of 10 apple is 12 tk selling price of 1 apple is 12/10 tk :. profit= (12/10 - 10/12) tk =11/30

in 5/6 tk there is profit of 11/30 tk in 1 tk there is profit of 11 x 6 /30 x 5 tk in 100 tk there is profit of 11 x100x6/30 tk=44 tk