List of top Quantitative Aptitude Questions

If \(\sqrt{5x+9}\)+\(\sqrt{5x-9}\)=\(3(2-\sqrt2)\) then \(\sqrt{10x+9}\) is equal to

In mixture A, the ratio of coco and sugar is 3:2 and in mixture B, the ratio of coffee and sugar is 7 : 3. These two were mixed together in the ratio 2:3 to make mixture C. Now equal quantities of C and milk are mixed. Find the percentage of sugar in the mixture.

A and B can do a work in 20 days. When A works at 60% capacity, B has to work at 150% capacity to finish the work. Find in how many days the faster one will finish the work alone.

 In a regular polygon, each interior angle is 120 more than each exterior angle. Find the number of diagonals of the polygon.

A rectangle with the largest possible area is inscribed in a semi-circle. Find the ratio of the larger side to the smaller side.

The number of positive integers less than 50, having exactly two distinct factors other than 1 and itself, is

In a right-angled triangle Δ ABC , the altitude AB is 5 cm , and the base BC is 12 cm . P and Q are two points on BC such that the areas of ΔABP, ΔABQ , and Δ ABC are in arithmetic progression. If the area of Δ ABC is 1.5 times the area of Δ ABP , the length of PQ , in cm , is

The number of integer solutions of equation \(2|x|(x^2+1)=5x^2\) is

If \(x\) is a positive real number such that \(x^8+\bigg(\frac{1}{x}\bigg)^8=47\) , then the value of \(x^9+\bigg(\frac{1}{x}\bigg)^9\) is

(1134)ⁿ is divisible by 168. (168)^m is divisible by (1134)ⁿ. Find the minimum value of n + m

Find the number of natural numbers less than (or up to) 1000 having different digits.

Find the sum of the two smallest natural numbers with the number of factors as 15.

Ratio of two sides of polygon is 1:2 and ratio of their interior angle is 3:4. Find the number of sides of the polygon with more number of sides.

The total number of female employees in companies B and F together is what percent of the total number of employees in company D?

The mean, median, mode and range of the observations \(7, 6, 7, 9, 14, 9, 7, 15\) is:

The ratio between the speeds of two trains is 8:9 and the second train covers 360 km in 4 hours. The distance covered by the first train in 3 hours is:

Wheat is now being sold at \rupee 27 per kg. During the last month, its cost was \rupee 24 per kg. Find by how much percent a family reduces its consumption so as to keep the expenditure fixed.

How many even numbers are there in the series which are preceded as well as followed by an even number?

If \( 0.764y = 1.236x \), then what is the value of \( \left( \frac{y - x}{y + x} \right) \)?

The area of a rectangular field is 15 times the sum of its length and breadth. If the length of that field is 40 m, what is the breadth of that field?

What is the difference between the average of books sold by stores A and E together and average of books sold by stores C and D together?

There are 3 consecutive odd numbers and 3 consecutive even numbers. The smallest even number is 9 more than the largest odd number. If the square of the average of odd numbers is 507 less than the square of the average of even numbers, what is the smallest odd number?

Find the median of the following observations: 6, 49, 14, 46, 16, 42, 26, 32, 28