List of top Quantitative Aptitude Questions

What is the HCF of 24 and 36?
The ratio of two numbers is 3:4. If their sum is 70, what is the larger number?
A boat travels 60 km downstream in 3 hours. What is the speed of the boat in still water if the river's speed is 5 km/h?
One morning, Govind Lal the owner of the local petrol bunk, was adulterating the petrol with kerosene. He had two identical tanks—the first was full of pure petrol while the second was empty. First, he transferred an arbitrary amount of petrol from the first tank into the second and then replaced the petrol removed from the first tank with kerosene. He then repeated this process one more time but this time he ensured that by the end of the process the second tank was exactly full.
Which of the following can be the concentration of petrol in the second tank?
A shop offers a 20% discount on an item with a marked price of Rs. 500. What is the selling price?
Let \(S_n\) denote the sum of the squares of the first \(n\) odd natural numbers. If \(S_n = 533n\), find the value of \(n\).
What is the value of √169?
A man works 8 hours a day for 5 days to earn Rs. 4,000. What is his hourly wage?
Mohan’s fixed commission is ₹560 per assignment. Cost = ₹\(2n^2\), where \(n\) = number of chairs made. If average cost per chair ≤ ₹68, then minimum and maximum values of \(n\) are:
If 5x = 25, what is x?
A train travels 240 km in 4 hours. What is its speed in km/h?
The radius of a wire is decreased to one-third, and its volume remains the same. The new length is how many times the original length?
The salary of Raju and Ram is 20% and 30% less than the salary of Saroj respectively. By what percent is the salary of Raju more than the salary of Ram?
The speeds of a scooter, a car and a train are in the ratio of 1 : 4 : 16. If all of them cover an equal distance, then the ratio of (time taken ÷ velocity) for each of the vehicles is:
A solid sphere is melted and recast into a right circular cone with a base radius equal to the radius of the sphere. What is the ratio of the height to the radius of the cone so formed?
Ramsukh bhai sells rasgulla (a favourite Indian sweet) at Rs. 15 per kg. A rasgulla is made up of flour and sugar in the ratio 5 : 3 (by weight). The ratio of the price of sugar to flour is 7 : 3 (per kg). He earns a profit of \(66\dfrac{2}{3}\%\). What is the cost price of sugar?
A reduction of 20% in the price of sugar enables a person to purchase 6 kg more for Rs. 240. What is the original price per kg of sugar?
A, B, C and D purchased a restaurant for Rs. 56 lakhs. The contribution of B, C and D together is 460% that of A alone. The contribution of A, C and D together is \(366\dfrac{2}{3}\%\) that of B's contribution, and the contribution of C is 40% that of A, B and D together. The amount contributed by D is:
B is twice as efficient as A, and A can do a piece of work in 15 days. A started the work, and after a few days B joined him. They completed the work in 11 days from the start. For how many days did they work together?
If \({}^nC_x=56\) and \({}^nP_x=336\), then find n and x.
One side of an equilateral triangle is 24 cm. The midpoints of its sides are joined to form another triangle, whose midpoints are in turn joined to form still another triangle. This process continues indefinitely. Find the sum of the perimeters of all the triangles.
The probability that a leap year, selected at random, contains either 53 Sundays or 53 Mondays, is:
The average of 4 distinct prime numbers a, b, c, d is 35, where a < b < c < d. a and d are equidistant from 36, b and c are equidistant from 34, a and b are equidistant from 30, and c and d are equidistant from 40. The difference between a and d is:
Find the intercepts made by the line \(3x+4y-12=0\) on the axes:
Three parallel lines are cut by two transversals as shown in the given figure. If AB = 2 cm, BC = 4 cm and DE = 1.5 cm, then the length of EF is: