Question

If an article sold for Rs 100 then there is a gain of Rs 20, which of the following is the

gain percent?

a. 25%

b. 22%

c. 20%

d. 16 . %

prove that ..plz tell me the right answer and also proved it ​

Answer 1

Answer:

option a) 25 %

Step-by-step explanation:

sp = 100 .

profit = 20 profit %= profit /cp × 100

therefore cp = 80

profit % = 20/80 × 100 = 25 %