Quantitative Aptitude - MCQ Practice Questions

Two pipes A and B can fill a tank in 12 hours and 15 hours respectively. If both pipes are opened together, in how many hours will the tank be filled?

A train 250m long crosses a platform 150m long in 20 seconds. What is the speed of the train?

A boat's speed in still water is 12 km/h and the speed of current is 3 km/h. How long will it take to travel 60 km downstream?

If a number is decreased by 40%, it becomes 300. What is the original number?

A man buys goods for Rs. 2500 and sells them at a loss of 8%. What is the selling price?

If 15% of a number is 45, what is 40% of that number?

A number increases by 25%, then decreases by 20%. What is the net percentage change?

In a shop, the cost price of an item is Rs. 500. If it's sold at 35% profit, what is the selling price?

A can complete a task in 20 days. B can complete it in 30 days. If they work together, how many days will it take?

Pipe A fills a tank in 15 hours. Pipe B fills it in 10 hours. If both pipes are open, in how much time will the tank be filled?

A train travels at 60 km/h. How long will it take to cover 300 km?

A boat travels downstream at 12 km/h and upstream at 8 km/h. What is the speed of the current?

Rs. 5000 is invested at 12% per annum simple interest. What will be the amount after 3 years?

If 25% of a number is 80, what is 60% of that number?

A shopkeeper offers a 30% discount on marked price. If the marked price is Rs. 1000, what is the selling price?

If a number is increased by 40% and then decreased by 30%, the net change in the number is:

Simple interest on a sum for 3 years at 8% p.a. is Rs. 1200. What is the principal?

A sum of Rs. 12,000 is invested at 10% p.a. compound interest. What will be the amount after 2 years?

A retailer marks goods at 60% above cost price and offers a 25% discount. What is his profit percentage?

If x% of 400 equals 20% of y, and y = 500, find x.