Quantitative Aptitude - MCQ Practice Questions

Two pipes can fill a tank in 20 and 30 hours respectively. A drain empties it in 60 hours. If all three are open, how long to fill the tank?

If a number is multiplied by $\frac{3}{4}$ and then divided by $\frac{2}{5}$, what is the result in terms of the original number?

A product's price increases by 20% and then by another 10%. What is the total percentage increase?

A vendor sells 40% of his stock at 10% profit and remaining at 5% loss. What is overall profit/loss percentage?

A and B together earn Rs. 8000 in a month. A earns 60% of this. How much does B earn?

A truck travels at 60 km/h for 2 hours and then at 40 km/h for 3 hours. What is average speed?

If 15% of a number is 45, what is the number?

A company's profit increases from Rs. 50000 to Rs. 65000. What is the percentage increase?

A borrowed Rs. 8000 at 12% per annum compound interest for 2 years. How much should be repay?

Worker A completes $\frac{1}{3}$ of work in 5 days. How many days to complete the entire work alone?

A train 240m long passes a platform 160m long in 20 seconds. What is the train's speed?

A shopkeeper marks his goods 25% above cost price. If he gives a discount of 10%, what is his profit percentage?

Two pipes A and B can fill a tank in 12 hours and 18 hours respectively. If both pipes are opened together, in how many hours will the tank be filled?

A boat travels 30 km upstream in 6 hours and 30 km downstream in 5 hours. What is the speed of the boat in still water?

Rs. 5000 is invested at 8% p.a. compound interest for 2 years. What is the amount?

A train crosses a pole in 8 seconds. If the length of the train is 160m, what is its speed in km/h?

Worker A completes a job in 15 days. Worker B completes the same job in 20 days. If they work together, how many days will it take?

A merchant buys goods for Rs. 8000 and sells them at a loss of 15%. What is the selling price?

Two trains start from the same station at the same time. Train A travels at 60 km/h and Train B at 80 km/h in the same direction. After 3 hours, what will be the distance between them?

The ratio of boys to girls in a class is 3:2. If there are 15 boys, how many girls are there?