When Vijay sells 12 pens, he gains the selling price of pens. Calculate his % profit?

A wholesaler sold a water purifier at a loss of 40%. If the selling price has been increased by Its. 125, then wholesaler will get the profit of 10%. What was the cost price of the purifier?

A and B invest in a business in the ratio 3:2. If 5% of the total profit goes to charity and A’s share is Rs.855, the total profit is:

A vendor buys bananas at 12 for 45 and sells at 5 for 35. What will be the gain ? 

A person bought 8 quintals of rice for certain rupees. After a week, he sold 3 quintals of rice at 10% profit, 3 quintals of rice with neither profit nor loss and 2 quintals at 5% loss. In this transaction what is the profit? 

A merchant sells a radio at 10 % profit if he bought 10% less and sold it Rs.132 less then he got 10% profit. Find the cost price of radio?

By selling 25 m of cloth a man gains the selling price of 5 m of cloth. Find the gain percent?

The selling price of 5 articles is the same as the cost price of 3 articles. The gain or loss is