If the cost of 1 dozen apples is Rs. 18, then the cost of 25 apples will be -

A watch is sold at a profit of 25%. Had it been sold for Rs.120 less then, there would have been a less then of 15%. What is the cost price in rupees?

Mr. Kiran sold a bus for Rs.18,700 at a loss of 15 %. At what price should the bus be sold to get a profit of 15 %?

A shopkeeper bought 80 pens in Rs. 400. He sold 40 pens at 60% profit and sold the remaining pens at 20% profit. If he had sold all the pens at a 15% profit, how much less profit would he have made?

The cost price of 20 articles is the same as the selling price of x articles. If there is 25% gain, then the value of x

A man bought 20 dozen eggs for Rs. 720. What should be the selling price of each egg if he wants to make a profit of 20 %? 

Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs. 33, then what could be the percentage of profit or loss?