Question

the cost price of 25 articles is equal to the S.P. of 20 articles. Find the gain%. PLZ GIVE ANSWER IN FULL SOLUTION.

Answer 1

here is the formula for that,
let,
cost price, m =25 ;
selling price, n =20
then ,

% gain = { (m - n) / n } × 100
= {(25-20) / 20 } × 100
= {5/20} × 100
= 25 %

the same formula is valid for ℅ loss also the value comes is negative.

I hope u like this plz mark as brainliest

Answer 2

Let the C.P. of each article be $ 1.

∴ C.P. of 20 articles = $ 20

and S.P. of 20 articles = $ 25

Profit = S.P. of 20 articles - C.P. of 20 articles = 25 - 20 = $ 5

Percentage profit =

Profit

× 100

C.P. of 20 articles

Percentage profit =

5/2 ×100 = 25%

Hope it has helped you

byeee