Profit and Loss — Prelims Questions

A shopkeeper sells an article at a profit of 20%. If he had bought it for 10% less and sold it for ₹18 less, he would have gained 30%. What is the original cost price of the article?

A dishonest shopkeeper sells sugar at cost price but uses a weight of 800g instead of 1kg. What is his profit percentage?

An article is marked 50% above its cost price. When it is sold at a discount of 20% on the marked price, the profit earned is ₹60. What is the selling price of the article?

A and B start a business. A invests ₹40,000 for the entire year. B invests ₹60,000 but joins 4 months after A. If the total profit at the end of the year is ₹28,000, what is B's share?

A shopkeeper sells two articles for ₹1980 each. On one, he gains 10% and on the other, he loses 10%. What is his overall profit or loss in the transaction?