Question : A librarian purchased 60 storybooks for his library. However he found that they could get four extra books by spending INR 336 more, and then the overall average price per book would be reduced by INR 1. The previous average price of each book was:

Option 1: INR 84

Option 2: INR 83

Option 3: INR 68

Option 4: INR 100

Question : The cost price of an article is decreased by 10% and then increased by 20%. If the final price is INR 540, then the original cost price is:

Option 1: INR 500

Option 2: INR 650

Option 3: INR 550

Option 4: INR 600

Question : A person sells an article for a loss of 18%. If he increases the selling price by INR 144 and decreases the cost price by 30%, then there is a profit of 20%. What is the original selling price?

Option 1: INR 5,068

Option 2: INR 6,036

Option 3: INR 5,904

Option 4: INR 6,124

Question : The marked price of a ceiling fan is INR 4,200 and the shopkeeper allows a discount of 5% on it. If his profit is 14%, then the cost price of the fan is:

Option 1: INR 3,200

Option 2: INR 3,800

Option 3: INR 3,000

Option 4: INR 3,500

Question : A shopkeeper gains 20% in place of a 16% loss if the selling price of an article is increased by INR 324. The cost price of the article is:

Option 1: INR 900

Option 2: INR 750

Option 3: INR 1,350

Option 4: INR 60

Question : The cost price of an article is INR 2,800. Profit as a percentage of the selling price is 20%. What is the actual profit (in INR)?

Option 1: INR 616

Option 2: INR 504

Option 3: INR 700

Option 4: INR 560