Question

the selling price of 15 articles is equal to the cost price of 20 articles.find gain or loss percent

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Answer 1

Step-by-step explanation:

Let C.P. of 1 article =Rsx

Then, C.P. of 20 articles =Rs20x

Given, S.P of 15 articles = C.P. of 20 articles

So, S.P. of 15 articles= 20x

Since, S.P.<C.P., for 15 articles there is a Loss

So, Loss % =

C.P.−S.P÷C.P ×100=

15x-20x÷20x×100=-5÷20×100=25%