List of top Quantitative Aptitude Questions

In a survey, 60% of respondents prefer coffee, 30% prefer tea, and the remaining prefer neither. If 100 people responded, how many prefer neither?
A rectangle has a length that is twice its width. If the perimeter is 48 units, what is the area of the rectangle?
In triangle \( ABC \), if \( AB = 6 \), \( BC = 8 \), and \( AC = 10 \), what is the area of the triangle?
If \( x^2 - 4x + 4 = 0 \), what is the sum of the roots?
If \( 3x + 2y = 6 \) and \( 2x - y = 4 \), what is \( x + y \)?
Solve for \( x \) if \( \frac{x + 2}{x - 3} = 2 \).
If \( f(x) = 2x^2 - 3x + 4 \), what is \( f(2) - f(-2) \)?
If a number \( n \) leaves a remainder of 3 when divided by 5, what is the remainder when \( 2n \) is divided by 5?
A bakery sells cupcakes in packs of 6 and packs of 9. If \( p \) packs of 6 and \( q \) packs of 9 are bought, and the total number of cupcakes is 90, what is the smallest possible value of \( p + q \)?
A number \( n \) is 20% less than another number \( m \). If \( m = 50 \), what is \( n \)?
If \( x^2 - 6x + 9 = y \), what is the value of \( y \) when \( x = 4 \)?
If \( a \) and \( b \) are positive integers such that \( a \times b = 36 \), and \( a \) is 3 less than twice \( b \), what is the value of \( a + b \)?
If \( x \) is an even integer and \( y = 3x + 5 \), which of the following must be odd?
A dataset contains the numbers 5, 7, 9, 11, and 13. What is the median?
A jar contains 4 red, 5 blue, and 6 green marbles. If one marble is picked at random, what is the probability it is blue?
A right triangle has one leg of 5 cm and a hypotenuse of 13 cm. What is the length of the other leg?
Simplify the expression: \( 3(x - 2) + 4 \).
If \( 2x + 3 = 9 \), what is the value of \( x \)?
If \( x \) is directly proportional to \( y \) and \( x = 10 \) when \( y = 2 \), what is \( x \) when \( y = 8 \)?
Find the length of the hypotenuse of a right triangle with legs of length 6 cm and 8 cm.
A survey of 200 people found that 120 like coffee, 150 like tea, and 80 like both. How many people do not like either coffee or tea?
What is the area of a triangle with a base of 8 cm and a height of 5 cm?
What is the circumference of a circle with a radius of 7 cm?
What is the volume of a cylinder with a radius of 3 cm and a height of 5 cm?
The mean of five numbers is 8. If four of the numbers are 7, 9, 12, and 5, what is the fifth number?