Quantitative Aptitude - MCQ Practice Questions

A can complete work in 20 days, B in 30 days. If they work together for 5 days, then A alone completes the remaining work in how many days?

If 45% of a number is 180, what is 65% of that number?

Compound interest on Rs. 8000 at 12.5% per annum for 2 years is?

Two numbers are in ratio 4:7. If their difference is 45, what is the larger number?

A retailer buys goods at Rs. 450 per unit and sells at 40% profit. What is the selling price per unit?

If 60 workers can complete a project in 18 days, how many workers are needed to complete it in 12 days?

A train running at 80 km/h crosses a stationary train of length 200m in 18 seconds. What is the length of the moving train?

A boat takes 5 hours to travel 60 km downstream and 8 hours to travel 48 km upstream. Find boat's speed in still water.

A shopkeeper allows successive discounts of 20% and 15%. What is the equivalent single discount?

If Rs. 10000 becomes Rs. 14641 in 4 years at compound interest, what is the rate per annum?

P, Q, R can do a work in 6, 8, 12 days respectively. If they work together, in how many days will they finish $\frac{1}{2}$ of the work?

A vendor bought bananas at 6 for Rs. 5 and sold at 5 for Rs. 6. What is his profit percentage?

A cistern can be filled by pipe A in 8 hours and emptied by pipe B in 12 hours. If both are opened simultaneously and the cistern is already $\frac{1}{4}$ full, in how much time will it be full?

Two trains are running in opposite directions at 60 km/h and 40 km/h respectively. They take 12 seconds to completely cross each other. What is their combined length?

A number is increased by 25% and then decreased by 20%. What is the net change in percentage?

A merchant buys articles at Rs. 80 each and sells them at a profit of 37.5%. What is the selling price?

If a man works alone, he can complete a task in 12 days. If his wife works alone, she can complete it in 18 days. Working together, in how many days will they complete the task?

A pipe can fill a tank in 6 hours and empty it in 10 hours. If both pipes are opened together, how long will it take to fill the tank?

A train crosses a 200m platform in 12 seconds at a speed of 72 km/h. What is the length of the train?

Simple Interest on Rs. 5000 at 8% per annum for 2.5 years is: