Quantitative Aptitude - MCQ Practice Questions

X, Y, and Z can do a work in 10, 12, and 15 days respectively. If all three work together, in how many days will the work be completed?

A train 150m long crosses a platform 350m long in 20 seconds. What is the speed of the train?

A boat can travel 48 km downstream in 4 hours and 30 km upstream in 5 hours. What is the boat's speed in still water?

Rs. 8000 is invested at 10% per annum compound interest. What will be the amount after 2 years?

A merchant marks goods at 40% above cost price and gives 10% discount. What is his profit percentage?

A can do a work in 16 days. B is 60% more efficient than A. In how many days can B complete the work alone?

A shopkeeper sells an item at 25% profit. If he had bought it at 20% less and sold it at Rs. 90 less, he would have made 40% profit. Find the cost price.

A and B together can complete a work in 12 days. B and C together can complete it in 15 days. A and C together can complete it in 20 days. How many days will A alone take?

A boat's speed in still water is 15 km/h. It takes 2 hours to go 30 km upstream. What is the speed of the current?

Two pipes A and B can fill a tank in 20 hours and 30 hours respectively. An outlet pipe C can empty it in 40 hours. If all three are opened together, how long will it take to fill the tank?

The ratio of speeds of two trains is 3:4. They travel towards each other. If they meet after 4 hours and the slower train covers 240 km, what is the distance between the two stations?

A man invests Rs. 5000 in two schemes at 12% and 8% p.a. respectively. If he gets Rs. 520 as interest after 1 year, how much did he invest in the 12% scheme?

A vendor buys 100 articles for Rs. 4000. He sells 60 at a profit of 10% and 40 at a loss of 5%. What is his overall profit/loss percentage?

Two pipes fill a tank in 15 and 20 minutes respectively. How long will it take to fill the tank if both are opened?

A commodity's price increases by 25% in the first year and decreases by 20% in the second year. If the initial price was Rs. 1000, what is the price after 2 years?

A is 50% more efficient than B. If B can complete a task in 24 days, how long will A take?

A merchant offers 30% discount on marked price. Even after discount, he makes 20% profit. If cost price is Rs. 700, what is the marked price?

A sum becomes Rs. 1,331 in 3 years at 10% p.a. compound interest. What is principal?

Workers A and B together complete a job in 12 days. A alone takes 20 days. How many days for B alone?

Marked price is Rs. 800. After successive discounts of 10% and 15%, what is final selling price?