Question 16

A dishonest dealer claims to sell his goods for the cost price. If he uses 20% less weight in weighing the goods, his gain % is:

Solution

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Let say ,he was selling 100 weight of products and cost price of the product c.

So,he was actually selling 0.8×100=80 weight of products.

80 unit were selling for c Rs.

1unit was selling for c/80 Rs.

So, 100 units were selling for (100/80)c 

=1.25c Rs.

So, his overall gain was=((1.25c-c)/c)×100

=25%.

C is correct choice.

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