List of top Quantitative Aptitude Questions

A container in the shape of a right circular cylinder is \(\frac{1}{2}\) full of water. If the volume of water in the container is 36 cubic inches and the height of the container is 9 inches, what is the diameter of the base of the cylinder, in inches?
*(Note: The fraction in the image is blurry but is assumed to be 1/2 to match one of the answer choices.)*
A right circular cone is inscribed in a hemisphere so that the base of the cone coincides with the base of the hemisphere. What is the ratio of the height of the cone to the radius of the hemisphere?
If k is an integer and \(2<k<7\), for how many different values of k is there a triangle with sides of lengths 2, 7, and k?
The product of all the prime numbers less than 20 is closest to which of the following powers of 10?
If n is the product of the integers from 1 to 8, inclusive, how many different prime factors greater than 1 does n have?
Positive integer y is 50 percent of 50 percent of positive integer x, and y percent of x equals 100. What is the value of x?
Of the three-digit integers greater than 700, how many have two digits that are equal to each other and the remaining digit different from the other two?
In the figure shown, what is the value of \(v+x+y+z+w\)?
If s and t are positive integers such that \(\frac{s}{t} = 64.12\), which of the following could be the remainder when s is divided by t?
A researcher computed the mean, the median, and the standard deviation for a set of performance scores. If 5 were to be added to each score, which of these three statistics would change?
A certain club has 10 members, including Harry. One of the 10 members is to be chosen at random to be the president, one of the remaining 9 members is to be chosen at random to be the secretary, and one of the remaining 8 members is to be chosen at random to be the treasurer. What is the probability that Harry will be either the member chosen to be the secretary or the member chosen to be the treasurer?
Among a group of 2,500 people, 35 percent invest in municipal bonds, 18 percent invest in oil stocks, and 7 percent invest in both municipal bonds and oil stocks. If 1 person is to be randomly selected from the 2,500 people, what is the probability that the person selected will be one who invests in municipal bonds but NOT in oil stocks?
A marketing firm determined that, of 200 households surveyed, 80 used neither Brand A nor Brand B soap, 60 used only Brand A soap, and for every household that used both brands of soap, 3 used only Brand B soap. How many of the 200 households surveyed used both brands of soap?
List A has seven integers; whose range is 80 and median is 240. The median for the three smallest integers in List A is 180. What is the possible range for the largest three integers in the List A?
Possible Values:
I. 75
II. 24
III. 0
The average (arithmetic mean) of the integers from 200 to 400, inclusive, is how much greater than the average of the integers from 50 to 100, inclusive?
Water is pumped into the completely empty tank at a constant rate through an inlet pipe. At the same time, there is a leak at the bottom of the tank which leaks water at a constant rate. How long it will take the tank get filled completely?
I. Total capacity of water the tank can hold is 120 gallons.
II. Inlet pipe can completely fill the empty tank in 10 hours if there is no leak in the tank, and also the leak at the bottom of the tank can completely empty the filled tank in 15 hours if there is no water pumped into the tank.
In a certain linguistics school, there are totally 250 students. Of those 250 students, 40 percent study French as a foreign language, 30 percent study German as a foreign language and 50 percent study Spanish as a foreign language. If 10 students study all these three foreign languages and 10 students didn't choose these three foreign languages, then how many students are studying in exactly two of these foreign languages?
In a certain show, a lottery ticket is numbered consecutively from 100 through 999 (both inclusive). What is the probability that a randomly selected ticket will have a number with a ten's digit as "3"?
In the figure above PRS is a triangle, what is the measure of the angle PSQ?
I. QS=QR=1
II. PR=2
If Polygon A has fewer than 10 sides and the sum of the interior angles of polygon A is divisible by 16, how many sides does Polygon A have?
Is parallelogram PQRS a rhombus?
I. PQ=QR=RS=SP
II. The line segments SQ and RP are perpendicular bisectors of each other.
If \(A^4 + B^4 = 100\), then the greatest possible value of "A" lies between
In the above figure, ifA. 120y + z = 280\(^\circ\), what is the degree measure of angle x?
What is the area of the circle shown above with center O?
I. W is the mid-point of chord XY.
II. The ratio of ZW to OW is 3:5
Consider the following sample of numbers: \[ 9, \; 18, \; 11, \; 14, \; 15, \; 17, \; 10, \; 69, \; 11, \; 13 \] The median of the sample is ?