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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Two pipes A and B fill a tank in 12 and 15 minutes respectively. If both work together and B is closed after 3 minutes, in how many more minutes will the tank be filled?
A train travels at 60 km/h for 2 hours, then at 80 km/h for 3 hours. What is the average speed for the entire journey?
₹5,000 is invested at 8% per annum simple interest for 3 years. What is the total amount?
What is the compound interest on ₹10,000 at 10% per annum for 2 years?
In a mixture of 60 liters, the ratio of milk to water is 3:2. How much water should be added to make the ratio 1:1?
A person spends 25% of his income on rent, 20% on food, and 15% on transport. If remaining income is ₹8,000, what is his total income?
A retailer marks up products by 50% above cost price. During a sale, he offers 30% discount on marked price. What is his profit/loss percentage?
If x% of 480 equals 72, what percentage of 480 is 96?
A factory's production increased from 2,000 units to 2,500 units. What is the percentage increase?
A's salary is 25% less than B's. By what percentage is B's salary more than A's?
A sum becomes ₹5,500 in 3 years and ₹6,000 in 5 years at simple interest. Find the principal amount.
What rate of simple interest per annum will ₹7,200 amount to ₹8,640 in 2 years?
In how many years will ₹9,000 become ₹11,700 at 15% simple interest per annum?
A merchant invested ₹24,000 at 8.5% simple interest. How much interest will he earn in 4 years?
A sum of money at simple interest becomes double of itself in 10 years. At what rate per annum is the interest charged?
If ₹5,000 is invested at 12% simple interest for 2.5 years, what will be the total amount?
A sum becomes ₹9,200 after 4 years at 8% simple interest. What was the original principal?
Two equal sums were invested, one at 10% and another at 12% simple interest for 3 years. If the difference in their amounts is ₹600, find each sum.
A lends ₹20,000 to B at 8% simple interest per annum. If B returns the total amount after 5 years, how much will B pay?
Pooja invested some money at 11% simple interest. After 4 years, she received ₹17,600. How much did she invest initially?