Quantitative Aptitude - MCQ Practice Questions
Quantitative Aptitude is the section that decides most competitive exam results, because it is where speed and accuracy matter more than syllabus coverage. These questions run across number system, percentage, profit and loss, ratio and proportion, averages, time and work, time speed and distance, simple and compound interest, mensuration, and data interpretation. Every solution shows the working, including the shortcut where one exists, so you can compare your method against a faster one.
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The price of a commodity increases by 20% one year and decreases by 10% the next year. What is the net change after two years?
A person invested Rs. 10000 in a scheme. After 2 years at 10% compound interest, the amount becomes:
A shopkeeper marks articles 40% above cost price and gives a discount of 25%. What is his profit percentage?
Two workers A and B can complete a job in 8 days and 12 days respectively. A starts the work and after 2 days, B joins. In how many more days will the work be completed?
A number when increased by 15% becomes 575. What is the original number?
A train travelling at 90 km/h takes 8 seconds to cross another train travelling at 54 km/h in the opposite direction. What is the sum of their lengths?
If a cistern is filled by three pipes in 4, 6, and 12 hours respectively, how long will it take to fill if all three are opened together?
A man buys 50 pens at Rs. 3 each and sells them at Rs. 3.50 each. What is his profit percentage?
A sum of money becomes Rs. 9000 in 2 years and Rs. 10125 in 3 years at compound interest. What is the rate of interest?
A boat's speed in still water is 15 km/h and current speed is 3 km/h. What is the ratio of downstream to upstream speeds?
If 75 workers can build a wall in 120 days, how many days will 90 workers take?
A price is increased by 30%, then decreased by 30%. What is the net change?
Two pipes A and B can fill a tank in 10 hours and 15 hours respectively. A third pipe C empties it in 20 hours. If all three are opened simultaneously, in how many hours will the tank be filled?
A shopkeeper marks an item at Rs. 500. He gives a discount of 20% and still makes a profit of 25%. What is the cost price?
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?
X and Y together can complete a work in 18 days. X alone can complete it in 30 days. In how many days can Y alone complete the work?