If 5500 copies are published and the transportation cost on them amounts to Rs. 82,500, then what should be the selling price of the book so that the publisher can earn a profit of 25%?

Two mobile phones were purchased at the same price. One was sold at a profit of 30 % and the second was sold at a price which was Rs 2500 less than the price at which the first was sold. If the overall profit earned by selling both the mobile phones was 5 %, what was the cost price of one mobile phone? 

If a chair sold for Rs. 600 at the profit of 20%, then the original price of the chair is:

Arun buys one kilogram of apples for Rs . 120 and sells it to Swati gaining 25 %. Swati sells it to Divya and Divya again sells it for Rs. 198, making a profit of 10 %. What is the profit percentage made by Swati? 

The cost price of two dozen bananas is Rs. 32 After selling 18 bananas at the rate Rs. 12 per dozen, the shopkeeper reduced to rate as Rs. 4 per dozen. The percent loss is 

A DVD player was purchased for Rs 4860. At what price should it be sold so that 25% profit is earned?

A cloth merchant sold half of his cloth at 20 % profit, half of the remaining cloth at 20 % loss and the rest was sold at its cost price. In the total transaction, his gain or loss will be