Question

If selling price of 40 articles is equal to cost price of 50 article, find the loss or gain percent. (pls explain with explanation)​

Answer 1

Let,

the CP of 1 article = ₹ X

the CP of 40 articles= ₹40X

the CP of 50 articles =₹50X

so,

the SP of 40articles= CP of 50 articles= ₹50X

gain=( X/40X ×100)%

=2.5 %