List of top Quantitative Aptitude Questions

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?
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?
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?
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)?
If p, q, r and s are four positive integers such that pqrs = 1, what is the minimum value of (2 + p)(3 + q)(4 + r)(5 + s)?
There are two solid pyramids, each having 8 edges of length 8 cm each. These two pyramids are moulded to form a hexagonal pyramid with length of each side as 8 cm. What is the slant height of the new pyramid?
The ratio between the speed of a boat and a stream is 3 : 1 respectively. If the boat covers 24 km in 3 hours downstream, what is the speed of the stream?
A committee is to be formed from amongst 9 boys and 6 girls. In how many ways can the boys and girls divide themselves into groups of three so that no group has more than 2 girls and no group has all boys?
P, Q and E start a joint venture, where in they make an annual profit. P invested one-third of the capital for one-fourth of the time, Q invested one-fourth of the capital for one-half of the time and R invested the remainder of the capital for the entire year. P is a working partner and gets a salary of `10,000 per month. The profit after paying P’s salary is directly proportional to the sum each one has put and also to the square of the number of months for which each has put their sum in the venture. If in a year P earns ` 60,000 more than Q, then how much does P earn?
What is the area of the square, if four vertices lie on the circumference of a circle where the area of the circle is four times its diameter in magnitude?
Two numbers are in the ratio 8 : 11 and their LCM is 2816. What would be the difference between the two numbers?
An electronic company conducts a survey of 1500 houses for their products. The survey suggested that 862 houses own TV, 783 houses has AC and 736 houses has washing machine. There were 95 houses having only TV, 136 houses having only AC and 88 houses having only washing machine. There were 398 houses having all the three equipments. How many houses have only TV and washing machine but not AC?
Given quadratic equation is \(x^2-|x|-30=0 . \)Then which of the following statements is/are incorrect?
The boat will sink when the weight on it increases beyond 350 kg. There is a hole in it through which the water leaks in at the rate of 0.4 kg/s. The weight of the boat is 1200 kg, and the weight of the boatman is 48 kg. The boatman throws out water at the rate of 0.04 kg/s. There are four passengers whose weights are 42.5 kg, 53.5 kg, 43.5 kg and 54.5 kg. How long will the boat float?