A shopkeeper sold his goods at half the list price and thus lost 20 %. If he had sold on the listed price, his gain percentage would be 

Arun bought an old computer and spent ₹110 on its repairs. He then sold it to Bhola at a profit of 20%. Bhola sold it to Chandan at a loss of 10%. Chandan finally sold it for ₹1,188 at a profit of 10%. How much did Arun buy the computer for?

If a manufacturer gains 10 percent, wholesaler 15 percent and retailer 25 percent, then the production cost of an article, whose retail price is Rs. 1,265, is 

A scooter was purchased for Rs 30,000 and Rs 3,000 was spent to repair it. It was sold for Rs 39,600. What was the profit percentage?

If Cost Price of 20 tables is equal to the Selling Price of 25 tables. Find the loss percentage.

By Selling 90 pens for Rs. 80 a man loses 20%. What should be the selling price (in Rs.) of 90 pens for 20% profit?

By selling an article for Rs. 700 a man lost 30 %. At what price should he have sold it to gain 30%? 

Arun purchased 30 kg. of rice at the rate of Rs. 17.50 per kg. and another Rs. 30 kg. at a certain rate. He mixed the two and sold the entire quantity at the rate Rs. 18.60 per kg. and made 20% overall profit. At what price per kg. did he pruchase the lot of another 30 kg. rice?