Quantitative Aptitude - MCQ Practice Questions

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?

Three tanks have capacities in ratio 2:3:4. They can be filled by three pipes in 6, 8, and 12 hours respectively. If all pipes are opened simultaneously, which tank will be filled first?

A number when increased by 30% and then decreased by 20% becomes 624. What is the original number?

A man invests Rs. 10000 in two schemes at 12% and 15% per annum SI respectively. If total interest after 3 years is Rs. 4050, how much was invested in the first scheme?

Two trains of lengths 200m and 160m are running towards each other at 50 km/h and 40 km/h respectively. How much time will they take to cross each other?

A cistern has three inlet pipes and one outlet pipe. The inlet pipes can fill it in 2, 3, and 4 hours respectively. The outlet can empty it in 1 hour. If all are opened together, will the cistern fill or empty, and in how much time?

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.

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

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?

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 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 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.