List of top Quantitative Aptitude Questions

What will be the least number which when doubled will be exactly divisible by 10, 18, 21, and 27?
A, B, and C enter into a business partnership by making investments in the ratio 3:5:7. After a year, C invests ₹ 33760 more while A withdraws ₹ 4560. The ratio of investments then changes to 24:59:167. How much does B invest?
A certain sum of money is invested at an interest rate of 5% P.A. and a second sum of money, which is twice as large as the first, is invested at 5.5% P.A. The total interest on investments together is ₹1000 per year. The first sum of money invested is:
If \( 7^{\frac{x}{3}} = 2401 \), then the value of \( x \) is:
Two numbers A and B are less than a third number C by 15% and 32%, respectively. By what percent (%) is number B less than the number A?
B can do a work in 48 days. If A starts the work and after 10 days he leaves, then B alone finishes the remaining work in 42 days. In how many days A and B together will finish the work?
After getting two successive discounts of 12.5% and \( x % \), an item with marked price ₹750 is available at ₹525. Find the value of \( x \):
A sells an item at a loss of 10%. If he had sold it for ₹ 120 more, he would have gained 5%. What is the cost price of the item?
A vessel is filled with liquid, 3 parts of which is water and 5 parts syrup. What part of the mixture should be drawn off and replaced with water so that the mixture contains half water and half syrup?
If \( 10^k = \frac{128 \times (16 \times 10^{-4})^3{2^{19} \times 10^{-11}} \), then the value of \( k \) is:}
A and B are partners in a business. A invested ₹42,000 for 10 months and B invested ₹35,000 for 8 months. Out of a profit of ₹31,570, B's share is:
In a certain journey, a man covered one-third of the total distance on a bicycle at the speed of 20 km/h, one-fourth on a bike at the speed of 30 km/h, and the remaining distance at the speed of 50 km/h with a car. What is his average speed during the entire journey?
In an organization, 40% employees are matriculates. 50% of the rest are graduates and the remaining 225 are post-graduates. What is the number of matriculate employees?
The average expenditure of a person for the first five months of a year is ₹ 50,000 and for the next seven months it is ₹ 54,000. He saved ₹ 23,000 during the year. His average monthly income is:
Find the value of \( x \) in \( \frac{60.06}{0.3} = x \times 0.05 \)
In an alloy, the ratio of copper and zinc is 5:2. If 3.75 kg of zinc is mixed in 52 kg 500g of alloy, then the ratio of copper and zinc in the alloy will be:
The sum of the salaries of A and B is ₹81,000. A spends 80% of his salary and B spends 70% of his salary. If their savings are in the ratio 4:3, then what is the salary of B?
A, B, and C in a partnership invested ₹52,000, ₹56,000, and ₹70,000, respectively. At the end of the year, B received ₹12,250 less than C as his share in the profit. What is the total profit?
Cost price of an article for a shopkeeper is Rs. 3000. Shopkeeper marked it for Rs. 4000. He allows some discount on the marked price and still gains 20%. The percentage of discount given to the customer, is:
The average of 11 consecutive odd numbers is 15. What is the sum of the second and the tenth number?
The average weight of a group of five friends is 52 kg. Another friend joined the group and the average weight of the group increased by 1.5 kg. What is the weight of the new member of the group?
The average of five numbers is 21. If one number is excluded, their average is 19. What is the excluded number?
If \( 0.006 \div K = 0.02 \), then the value of \( K \) is:
The H.C.F. of \( \frac{2}{3}, \frac{8}{27}, \frac{10}{9}, \frac{62}{21} \) is:
The functions f(x) and g(x) are related as f(g(x)) = xg(f(f(x))), where f (x) = \(\frac{x}{x-1}\). What could be the functional form g(x)?