List of top Quantitative Aptitude Questions on Number Properties asked in GRE

If \( x \) is inversely proportional to \( y \) and \( x = 10 \) when \( y = 2 \), what is \( x \) when \( y = 8 \)? Options
What is the greatest common divisor (GCD) of 36 and 60?
Which of the following integers are multiples of both 2 and 3? Indicate all such integers.
• Quantity A: The least prime number greater than 24
• Quantity B: The greatest prime number less than 28
A car got 33 miles per gallon using gasoline that cost $2.95 per gallon. Approximately what was the cost, in dollars, of the gasoline used in driving the car 350 miles?
Of the following, which is the closest approximation to \( \displaystyle \frac{(1.5)(19.9)(4.012)}{3.02} \)?

1 gallon = 8 pints
1 quart = 2 pints
COLUMN A: The least number of half-pint bottles needed of to hold x quarts milk
COLUMN B: The least number of one-quart bottles needed to hold x gallons of milk

x, y, and z are coordinates of three points on the number line above.
COLUMN A: xy
COLUMN B: xz

10 inches of snowfall is equivalent to 1 inch of rainfall. (1 foot = 12 inches)
COLUMN A: The number of inches of rainfall equivalent to 1 food of snowfall
COLUMN B: 1


Column A: r
Column B: \(\frac{1}{r}\)

m and n are positive integers.
Column A: m + n
Column B: mn

x < 0
Column A: |x|
Column B: x