List of top Quantitative Aptitude Questions

The number obtained after interchanging the two digits of a two digit number is greater than the original number by 9. If the sum of the two digits of the number is 13, what is the original number?

In the following number series, a wrong number is given. Find out the wrong number.
508 , 252 ,124 , 60 , 28 ,14 , 4

In how many different ways can the letters of the word ‘CREAM’ be arranged?

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\((18.6)\)³=?

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(\frac{2225}{7}\times\frac{867}{5}\times\frac{119}{4}=?\)

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(9876.5 \div18.5 \div3.2 =?\)

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(\sqrt{1850}=?\)

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(17.998\times23.005\times11.99 =?\)

Sugar worth 15 per kg and 16 per kg is mixed with a third variety of some other cost in the ratio 1 : 1 : 2. If the mixture is of worth 20 per kg, what would be the cost of the third variety of sugar per kg?

Gopi constructed a right-angled triangle. By modifying the dimensions of first triangle, he drew another triangle. The modifications are - the largest side is increased by 5 cm, the smallest side is doubled and the third side is increased by 50%. If the triangle formed with these new dimensions has equal angles, then what is the perimeter of the new triangle?

Ramesh went 10 km west from his house,then turned left and walked 15 km.he then turned East and walked 20 km and finally turned left covered 15 km.how far was he from his house?

A mobile tower technician stands five hundred meters away from the base of the tower.He stares the top of the tower at an angle of elevation of 45°.Calculate the height of the tower.

If a-100, b = 200 c= -100, then what is the value of \(a^3+b^3+c^3\)=?

What will be the area of a semi-circle whose perimeter if 12 cm?

Mr X. and Mr Y. are removing cartons from a truck.X removes one fourth of the number of cartons from the truck,and Y removes one fifth of the number of cartons left in the truck.How many cartons were originally in the truck?

The age of a cricket team members has been listed below.Find the median age of the team 27,32,25,26,31,37,22,29,24,25,36

Which one of the following is not a prime number?

In a triangle ABC,AB=AC=8cm. A circle drawn with BC as diameter passes through A. Another circle drawn with center at A passes through B and C. Then the area,in sq.cm,of the overlapping region between the two circles is

A school has less than 5000 students and if the students are divided equally into teams of either 9 or 10 or 12 or 25 each, exactly 4 are always left out. However, if they are divided into teams of 11 each, no one is left out. The maximum number of teams of 12 each that can be formed out of the students in the school is

In a group of 100 people, 70 like coffee, 60 like tea, and 45 like both coffee and tea. How many people like neither coffee nor tea?

In a library, the ratio of fiction books to non-fiction books is 7:5. The ratio of English fiction books to Hindi fiction books is 2:3. If there are 420 English fiction books, find the total number of non-fiction books in the library.

For any natural number n, suppose the sum of the first n terms of an arithmetic progression is n(n+1). If the nth term of the progression is divisible by 7, then the smallest possible value of n is:

The average weight of a group of people increases by 2 kg when a person weighing 65 kg joins them. If the initial average weight of the group was 55 kg, find the ratio of the number of people initially in the group to the total number of people in the new group.

Two buses start simultaneously from the same place towards a destination which is 180 km away. The first bus travels at a speed of 40 km/h and the second bus travels at a speed of 60 km/h. The second bus reaches the destination, waits for some time and returns back. If the buses cross each other 90 km away from the starting point, then for how long did the second bus wait at the destination?

In triangle ABC, ‘D’ and ‘E’ are two points on sides AB and AC, respectively such that DE is parallel to BC. If AD=16 cm, BD=(5x-16) cm, AE=2x cm and EC=(25-2x) cm, then find the value of ‘x’.