List of top Quantitative Aptitude Questions

Three runners, Harshad, Aniket, and Rajesh, running around a circular track can complete one revolution in 12, 18 and 24 minutes respectively. After how many minutes will they meet at the starting point?
Three wheels can complete 25, 21 and 16 revolutions per minute respectively. There is a red spot on each wheel that touches the ground at time zero. After how much time, all these spots will simultaneously touch the ground again?
If X, Y and Z are three numbers, such that LCM of X and Y is X and LCM of Y and Z is Y, then find the HCF of X, Y and Z.
In how many ways the number 3234 can be written as the product of two numbers which are co-prime to each other?
Find the sum of first 100 even natural numbers.
Find the value of \(0.081^3 + 0.009^3 + 0.002187 \times 0.09\).
Sujit and Suraj each have some money. If Sujit gives Rs.10 to Suraj, then Suraj will have twice the money left with Sujit. But, if Suraj gives Rs.10 to Sujit, then they both have an equal amount of money. How much money does Sujit have?
Find the HCF of 405, 585, 765 and 900.
A sum of Rs. 8.75 is made up of 105 coins, which are either 10 paise or 5 paise. How many 5 paise coins are there?
Akshay has completely put each of three liquids, 558 liters of petrol, 682 liters of diesel and 589 liters of kerosene in bottles of equal size without mixing any of the above three types of liquids such that each bottle is completely filled. What is the least possible number of bottles required?
One-third of the sum of all prime numbers greater than 2 but less than 20, is the square of which number?
Find the value of \(2a^3 - [3a^3 + 4a^2 - \{2a^3 - 7a^3\} + 5a^3 - 7a^2]\).
A mixture contains milk and water in a ratio of 7: 11. When 7 liters of water is added, the ratio changes to 7: 13. Find the quantity of milk in the initial mixture.
Find the ratio of investment of Ajay to Vijay if Ajay invests after 6 months of Vijay’s investment and Vijay invests after 3 months of commencement of business. It is known that their profit – sharing ratio after 1 year of commencement of business is 2:3.
The cost price of an article is twice the discount. If the discount is 40% of the selling price, find the profit or loss percent.
The speeds of a, b and c are 15 m / s, 67 kmph and 1020 m / minute. If they start running in the same direction, find the maximum difference between any two of them after 8 hours, 30 minutes and 39 seconds.
Two trains cross each other at a speed of 70 kmph and 50 kmph, respectively. If the total length of both the trains is 1500m, find the time in which they will cross each other. The trains were moving in the opposite direction.
A mixture containing 43% of acid is mixed with another mixture containing 82% acid in the ratio 10 : 9. Find the percentage of acid in the mixture formed.
5 men or 7 women can do a piece of work in 28 days. Find the time required by 7 men and 5 women to complete the task.
It was Sunday on 12 February 1882. What was the day on 12 February 1885?
The market value of a share is 35% of the face value and 30% less than the selling price. Find the profit or loss percentage.
Two trains P and Q start simultaneously in the opposite direction from two points A and B and arrive at their destinations 25 and 16 hours respectively after their meeting each other. At what speed does the second train Q travel if the first train travels at 100 km/h?
From the following, choose the alternative that correctly represents the water image of the word: N U C L E A R
There are 23 steps to reach a temple. On descending from the temple, Ram takes two steps in the same time Shyam ascends one step. If they start to work simultaneously, at which step will they meet each other from the bottom?
Statement I: Arun has four vehicles.
Statement II: Two of the vehicles are red.
Statement III: One of the vehicles is a minivan. If the first three statements are facts, which of the following statements must also be a fact?
• [I.] Arun has a red minivan.
• [II.] Arun has three cars.
• [III.] Arun's favorite color is red.