List of top Quantitative Aptitude Questions

Each interior angle of a regular polygon is ‘a’ times as large as each exterior angles. How many sides does the polygon have?
In the figure below, PT and ST are two secants. If O is the centre of the circle and PQ = 2QT = 8 cm, OS = 5 cm, then what is the measure of the line OT? (Figure not drawn to scale)
PT and ST are two secants
The difference between the largest and the smallest prime numbers below 100 is a multiple of two prime numbers. What is the sum of these prime numbers?
A boy constructed a triangle such that its height and the three sides form four consecutive integers. If the dimensions can be measured using only 15 cm measurement scale, then the area of the triangle could be
If 9, 6, p are in arithmetic progression, 9, 6, q are in geometric progression and 9, 6, are in harmonic progression, then what is the value of (4p – 6q + r)?
A man is paid Rs. 80 per regular working hour and Rs. 100 per hour overtime. He works only 8 hours per day and 6 days a week. If he earns Rs. 15,760 in four weeks, then for how many hours did he work?
A quadrilateral of perimeter 126 cm is circumscribed about a circle. Three of its sides taken in order are in the ratio 5 : 8 : 9. What is the length of the fourth side?
How many times does the 29th day of the month occur in 800 successive years?
In a shooting competition, all the shooters should hit the letter space in which letter 'A' is written as shown on the target board below. What is the probability that the shooter will hit that space?
In a shooting competition, all the shooters should hit the letter space in which letter 'A'
Given quadratic equation is x2 - |x|-30 = 0. Then which of the following statements is/are incorrect?
What is the probability that a two-digit positive integer N has the property that the difference of N and the number obtained by reversing the order of its digits is a perfect cube?
Anu collected certain number of coins of denominations `1,`2 and `5. She has certain number of `2 coins, 4 times as many `1 coins as `5 coins and 15 more `2 coins than `1 coins. If the total value is `490, how many `2 coins are there?
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?
Rohit purchased a car and a plot at the same time. At the end of the first two years the value of the plot increased by 30% and the value of the car decreased by 10%. At the end of next two years, the value of the car decreased by 20% and the value of the plot increased by 25%. At the end of next two years, the value of the plot increased by 20% and the value of car is decreased by 25%. Had he sold both the car and the plot at the end of sixth year, he would have got 56% more from the plot than from the car. How much less did he pay for the plot that the car when he purchased them?
What is the value of \(\sqrt{42+\sqrt{42+\sqrt{42+\sqrt{42+\sqrt{42+...\infin}}}}}\) ?
20 guests have to sit half on each side of a long table. Three particular guests desire to sit on a particular side, five others on the other side. In how many ways, the seating arrangement can be made?
What could be the area of a hexagon inscribed in a circle of radius 12 cm?
What is the geometric mean of the sequence 1, 3, 9, 27, 81,... 3n?
The dimensions of a triangle are 15 cm, 8 cm and 17 cm. What is the area of a circle having radius (r + 4) cm if 'r' is the inradius of the given triangle?
If the selling price of an article is five times the discount offered and if the percentage of discount is equal to the percentage profit, what is the ratio of the discount offered to the cost price?
There are three cans and a bucket. The cans each have a capacity of 5 litres, but are partially filled with water. The bucket also has some water in it. The sum of the water in the bucket and water in the first can is half of the total bucket capacity. When the first and third cans are emptied into the bucket, it contains 6 litres of water. Instead, when the second and the third cans are emptied into the bucket, it contains 7 litres of water. When water in all the cans are poured into the bucket, it is filled to its capacity. The first and second can contain a total of 7 litres. How many litres did the bucket already contain?
A blind man lives in an apartment containing 2 rooms. Each day before going to work he enters any one room randomly, picks up a bag and leaves home. One of the rooms contains 3 blue, 4 green and 5 red bags and the other contains 2 blue, 1 green and 3 red bags. What is the probability that he takes a green bag to his workplace?
What is the unit's digit of the expression 77920 + 64165 + 53246?
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)?
A six-digit code is to be formed using 6 distinct numbers. Number in the first place is square of a prime number in third place. Numbers in 4th, 6th, 2nd and 1st place are consecutive numbers. If all odd digits except 1 are present in the code, what is the sum of all the digits?