#4336. The average speed of a train is 3 times the average speed of a car. The car covers a distance of 520 kilometers in 8 hours. How much distance will the train cover in 13 hours?

]]>#4335. The speed of a boat when traveling downstream is 32 kilometers per hour whereas when traveling upstream is 28 kilometers per hour. What is the speed of the boat in still water?

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#4334. Find the rate of successive discounts of 10% and then 20%.

]]>#4333. K sold an item for $6500 and incurred a loss of 20%. At what price should he have sold the item to have gained a profit of 20%?

]]>#4332. The Cost Price of an article is $1700. If it was sold at a price of $2006, what was the profit percentage on the transaction?

]]>#4331. 21 articles were bought for $6531 and sold for $9954. What is the approximate profit percentage per article?

]]>#4330. Russel sold an item for $6384 and incurred a loss of 30%. At what price should he have sold the item to have gained a profit of 30%?

]]>#4329. Stuart incurred a loss of 45 percent on selling an article for $3740. What was the Cost Price of the article?

]]>#4328. Sarah earned a profit of 30 percent on selling an article for $6110. What was the Cost Price of the article?

]]>#4327. A man sold an item for $7,500 and incurred a loss of 25%. At what price should he have sold the item to have gained a profit of 25%?

]]>#4326. Mike incurred a loss of 40 percent on selling an article for $5700. What was the cost price of the article?

]]>#4325. The respective ratio of Peter's present age and Robert's present age is 7:5. The sum of their ages 5 years from now will be 94. After how many years, Robert's age will be equal to Peter's present age?

]]>#4324. 20 liters of a mixture contains milk and water in the ratio 5:3. If 4 liters of this mixture be replaced by 4 liters of milk, what would be the ratio of milk and water in the new mixture?

]]>#4323. The ratio of the present ages of M and A is 3:2 respectively. After 8 years, the ratio of their ages will be 11:8. What will be the present age of M's son if his age is half of the present age of A?

]]>#4322. The ratio of the ages of A and B seven years ago was 3:4 respectively. The ratio of their ages nine years from now will be 7:8. What is B's age at present?

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