List of top Quantitative Aptitude Questions

In a survey, 70% of respondents preferred product A over product B. If 140 people preferred product A, how many people were surveyed in total?
A dataset contains the numbers 4, 6, 8, 10, and 12. What is the mean?
If \( x \) is inversely proportional to \( y \) and \( x = 8 \) when \( y = 2 \), what is \( x \) when \( y = 4 \)?
Find the area of a trapezoid with bases of 6 cm and 10 cm, and height of 4 cm.
Solve for \( y \): \( y^2 - 9 = 0 \).
What is the volume of a rectangular prism with length 5 cm, width 3 cm, and height 4 cm?
If \( f(x) = x^3 - 4x + 1 \), find \( f(-2) \).
If \( \frac{3}{5}x - 2 = 1 \), what is \( x \)?
What is the sum of the first 20 positive integers?
In a parallelogram, if one angle measures 70 degrees, what is the measure of an adjacent angle?
A store sells apples in bags of 6. If a customer buys 4 bags, what is the standard deviation of the number of apples bought?
If the probability of rain on any given day is 0.3, what is the probability that it will rain exactly 2 out of the next 3 days?
What is the volume of a cube with a surface area of 54 square units?
A survey showed that 40% of respondents prefer coffee, 35% prefer tea, and the rest prefer neither. If 200 people responded, how many prefer neither?
The weights of 5 dogs are 10, 12, 15, 15, and 20 pounds. What is the median weight?
If 60% of a class of 50 students passed a test, how many students did not pass?
A right triangle has legs of lengths 8 and 15. What is the length of the hypotenuse?
Solve for \( y \) in terms of \( x \) if \( 4x - 5y = 20 \).
In a circle with a radius of 10, what is the area of a sector with a central angle of 72 degrees?
For what value of \( k \) will the system of equations \( 2x + 3y = 12 \) and \( 4x + ky = 24 \) have no solution?
A rectangle has a width of 6 units and a perimeter of 32 units. What is the length of the rectangle?
If \( x + 1 = 3(x - 2) \), what is the value of \( x \)?
A number is decreased by 40% and the result is 72. What was the original number?
If the average (arithmetic mean) of five consecutive integers is 25, what is the largest of these integers?
Solve for \( x \): \[ \frac{2}{x} + \frac{3}{x} = \frac{10}{15} \]