Question

a man buys LCD for Rs.1,00,000 and sells it for Rs. 1,20,000. find his gain percent?​

Answer 1

CP => 100000

SP => 120000

..............

gain => SP - CP

=> 120000 - 100000

=> 20000

gain % => gain ×100

CP

=> 20000×100

100000

=> 20%

Answer 2

purchase=1,00,000

sell= 1,20,000

profit = 20,000

gain percentage=

profit/purchase price×100

20000/100000×100=20%