List of top Quantitative Aptitude Questions

From 1972 to 1985, the percent increase in the number of registered cars was most nearly
From 1950 to 1985, the population of Country X increased by approximately how many million people?
If the number of registered cars were to increase yearly through the year 2000 at the same average annual rate shown for the period 1981-1985, for which of the following years would the number of registered cars be closest to 76 million?
A rectangular field is 400 feet long and 300 feet wide. If a square field has the same perimeter as the rectangular field, what is the length, in feet, of each side of the square field?
The expressions in the table above give the distance of each of two trains from Centerville at t hours after 12:00 noon. At what time will the trains be equidistant from Centerville?
Freight Train: \(-10t + 115\)
Passenger Train: \(-20t + 150\)
\(3.7(10^7) = \)
The cost, in dollars, for an appliance repair at a certain company is \(1.2p + 20h\), where \(p\) is the wholesale price of the parts, in dollars, and \(h\) is the number of hours it takes to repair the appliance. What is the cost of repairing an appliance if the wholesale price of the parts is $15 and it takes 2 hours to repair it?
For what value of \(x\) will \(8 + (x-3)^2\) have the least value?
How many integers from 3 to 30, inclusive, are odd?

The median of 10, 15, x and y is 18.5, and x < y.

Column AColumn B
\(x\)22

\(\frac{1-x}{x-1} = \frac{1}{x}, \; x \neq 1\)

Column AColumn B
\(x\)\(-\frac{1}{2}\)
Which of the following points (x, y) is NOT on the graph of \(y<2x\)?
The figure above shows a semicircle with center O and a quarter circle with center R. If OQ = 4 and QR = 6, what is the ratio of the area of the shaded region to the area of the semicircular region?
If a certain town has 90 doctors and the ratio of male doctors to female doctors is 3 to 2, then the number of female doctors in this town is
The sum of the first 50 positive integers is 1,275. What is the sum of the integers from 51 to 100?
If \(2x = 5\) and \(3y = 8\), then \( \frac{4x}{9y} = \)
The average (arithmetic mean) of \(|x|\) and \(x\) equals
A certain jar contains 100 jelly beans: 50 white, 30 green, 10 yellow, 5 red, 4 purple, and 1 black. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither purple nor red?

COLUMN A: 0.01% of 1,000
COLUMN B: 1

y = 3x – 1
COLUMN A: x
COLUMN B: \(\frac{y}{3}+3\)

COLUMN A: \(37\times\frac{37}{36}\) 
COLUMN B: \(37+\frac{37}{36}\)

x and y are positive integers and x > y.
COLUMN A: \(\frac{x^2}{y^3}\)
COLUMN B: \(\frac{y^3}{x^2}\)

\( -(\frac{-6}{2}) = \)


COLUMN A: The perimeter of the shaded region in the rectangle
COLUMN B: \(2\sqrt{2}+2\)

A rectangular parking lot 2x feet long and x feet wide is to be enlarged so that the lot will be 2 times as long and 3 times as wide as it is now. The area of the enlarged rectangular lot will be how many times the area of the present lot?