Question

a dealer uses an incorrect balance of weight and cheats in buying and selling each by 10% what percent profit does he earn by such cheating​

Answer 1

Answer:

21%

Step-by-step explanation:

So let, while buying Rs paid for n items.

But Rs made gain of 10% .Thus Rs. received

1.1x items. Now on selling again Rs.

made 1.1(1.1x)=1.21x

So,

the net profit Rs moles = (x1.21x −1)×100%

=21%