List of top Quantitative Aptitude Questions

Given the equation $x^2 - 5x = 6 - y^2 + 3y = 9y + 9$.
Quantity A: $x$
Quantity B: $y$

If two interior angles of a quadrilateral ABCD are right angles and the degree measure of $\angle$ABC is twice the degree measure of $\angle$BCD, what could be the measure of the largest interior angle of quadrilateral ABCD?
Indicate all such answers.
[Note: Select one or more answer choices]

David bought greater than 10 paperback books that cost 8 each and greater than 8 hardcover books that cost 20 each. If the total cost of all the books that he bought was between 240 and $300, exclusive, how many total books could he buy?
Indicate all such answers.
[Note: Select one or more answer choices]

In a certain batch of guests in a museum, there are 50 guests; each guest buys either a 40 ticket or a 60 ticket, with at least one guest of each ticket type. The average (arithmetic mean) value of ticket-receipts from the batch is more than 50. If the average value of ticket-receipts is to be reduced to less than 50 by including few new guests with $40 tickets, what could definitely NOT be the number of new guests with $40 tickets that could be included?
Indicate all such numbers.
[Note: Select one or more answer choices]

In a certain batch of guests in a museum, there are 50 guests; each guest buys either a 40 ticket or a 60 ticket, with at least one guest of each ticket type. The average (arithmetic mean) value of ticket-receipts from the batch is more than 50. If the average value of ticket-receipts is to be reduced to less than 50 by including few new guests with 40 tickets, what could definitely NOT be the number of new guests with $40 tickets that could be included?
Indicate all such numbers.
[Note: Select one or more answer choices]

In a test, five students of a class scored 39, 37, 40, 34, and 36, respectively. If the sixth student scored n marks, for which of the following values of n does the average (arithmetic mean) score per student for the six students equal the median score?
Indicate all such values.

[Note: Select one or more answer choices]

If a group of students having an average age of 16 years joined a class, the average age of all the students in the class reduces from 18 years to 17 years. What is the ratio of the number of students who joined the class to the number of students who were initially in the class?

If $(a-3)^2 + |b-3| = 0$, what is the value of a - b?

Suzy purchased at least one pen priced at 13 each and at least one notebook priced at 19 each. If the total price of the items purchased is $58, what is the total number of pens and notebooks purchased by Suzy?

The following chart shows the percent distribution of the number of candidates enrolled in a certain test-prep company from 2014 to 2017 for four courses: GMAT, GRE, SAT and LSAT.

If the number of candidates in 2014 was 500, and there was a 20% increase in the number of candidates per year for the next two years, what is the number of candidates for the LSAT course in 2016?

The following chart shows the percent distribution of the number of candidates enrolled in a certain test-prep company from 2014 to 2017 for four courses: GMAT, GRE, SAT and LSAT.

If the total number of candidates increased by 40% from the year 2014 to the year 2017, what is the simple annual percent increase (if necessary the whole number rounded) in the number of candidates for the GMAT course between 2014 and 2017?

At a certain store for a certain month, in a chart given below, the price per cell phone (in dollars) is shown by dots (read from right hand side vertical axis) and the number of cell phones sold (read from left hand side vertical axis). What is the mean price (nearest to a dollar) of the cell phone sold by the store in that month?

At a certain store for a certain month, in a chart given below, the price per cell phone (in dollars) is shown by dots (read from right hand side vertical axis) and the number of cell phones sold (read from left hand side vertical axis).

What is the mean price (nearest to a dollar) of the cell phone sold by the store in that month?

At a certain store for a certain month, in a chart given below, the price per cell phone (in dollars) is shown by dots (read from right hand side vertical axis) and the number of cell phones sold (read from left hand side vertical axis).

What is the median price of the cell phones sold by the store in that month?

In the figure below, a square ABCD is inscribed in a circle. If the length of arc AB is 4$\pi$ unit, what is the diameter of the circle?

If x is an integer, how many possible values of x satisfy the equation: $(x - 2)^{2(x + 1)} = 1$?

The operation □ is defined as a □ b = a(b+1) - 3.
Compare Quantity A and Quantity B.
Quantity A: 1 □ 1
Quantity B: 2 □ 0}

This triangular prism has a height of 3 feet and a length of 7 feet. What is the surface area of the prism? Round to the nearest tenth.

The diagram represents a square $ABCD$ with a semi-circle directly attached to its side. If the area of the figure is $16 + 2\pi$, what is its outer perimeter?

What is the slope of the line shown?

By what percentage did the total book sales of the three stores increase from 2005 to 2010?

Which of the following is a graph for the values of $x$ defined by the inequality $2x+6>16$?

Simplify: (x³ · 2x⁴ · 5y + 4y² + 3y²)y.

Given circle $O$ with a diameter of $2$ and square $ABCD$ inscribed within circle $O$, what is the area of the shaded region (circle minus square)?

Two palm trees grow next to each other in Luke's backyard. One of the trees gets sick, so Luke cuts off the top 3 feet. The other tree, however, is healthy and grows 2 feet. How tall are the two trees if the healthy tree is now 4 feet taller than the sick tree, and together they are 28 feet tall?