Question

If the cost price of 30 articles is equal to the selling price of 20
articles, what is the percentage of profit or loss that the merchant
makes?​

Answer 1

Answer:

% of profit = 500(100)/1000 = 50%

Explanation:

if the cost price of the article = 50Rs (assume)

cost price of 30 article,

30(50) = 1500

C.P. of 30 articles = S.P. of 20 articles

20x = 1500 (x = S.P. assume)

x = 1500/20 = 75

cost price of 20 article,

20(50) = 1000

profit gained by the merchant,

1500-1000 = 500

% of profit = 500(100)/1000 = 50%