By selling an article at 2/3 of the Marked price, there is a loss of 10%. The profit percent when the article is sold at the Marked prices

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?

If the loss is 20%, by what fraction should the selling price be multiplied to get the cost price?

If books bought at prices from ₹150 to ₹ 300 are sold at prices ranging from ₹ 250 to  ₹350, what is the greatest possible profit that might be made in selling 15 books ?

A woman buys a watch for Rs. 4,000 and sells it at a loss of 13%. What is the selling price of the watch?

By selling a car for ₹ 64,000, Mr. Rao lost 20%. Then the cost price of the car is :

Which one of the following costs more?

I. 200 packets of ₹ 250 each

II . 20 dozens of ₹ 250 each

A man bought three articles, each of which cost Rs 3000. He sold those articles at 10% profit, 5% profit and 15% loss respectively. What is the total profit/loss percentage earned by him?