A shopkeeper buys two items for Rs. 1000 each and sells both at the same price. He gains 10% on one and loses 10% on the other. Result is ____.

A shopkeeper marks goods 25% above the cost price and gives 10% discount. What is his profit percent ____.

A shopkeeper gives 5% discount and still gains 23.5%. What was the marked price if the cost price is Rs. 20?

A man gains 20% by selling at a certain price. If he doubles the price, what is the profit percent?

Selling 50 m of cloth gives a profit equal to the selling price of 15 m. Gain percent is ____.