A shopkeeper marks the price of his goods 60% more and he sells (3)/5 part of the goods at the cost price.

If a shopkeeper marks the price of goods 40% more than their cost price and allows a discount of 40%, then what is his gain or loss percent?

If a wholeseller marks the price of goods 30% more than cost price and allows a discount of 10% ,then what is his gain or loss percent ?

A shopkeeper marks his goods at 40% above the cost price and allows a discount of 40% on the marked price.His loss or gain is :