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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A train covers of its journey at 40 km/h, at 50 km/h, and at 60 km/h. What is the average speed?
A boat's speed in still water is 15 km/h. It takes 4 hours upstream and 2 hours downstream to cover the same distance. What is the speed of the current?
Pipe A fills a tank in 30 hours, and Pipe B fills it in 20 hours. If both pipes work together, what is the average time taken by each pipe to fill of the tank?
A boat travels upstream at 8 km/h and downstream at 12 km/h. What is the average speed of the boat for the entire journey covering equal distances both ways?
A train covers of its journey at 50 km/h, at 60 km/h, and remaining at 75 km/h. What is the approximate average speed of the train?
A merchant mixes two types of rice costing ₹40/kg and ₹60/kg in ratio 3:2. What is the average cost per kg of the mixture?