What's the average size of a car parking space?
How many bricks are in the Great Wall of China?
What's the average temperature of the surface of the Sun?
What is the total length of the human circulatory system?
How much caffeine is in a typical cup of coffee?
What's the density of copper (in g/cm³)?
What is the market capitalization of Apple Inc.?
How long is the Great Wall of China?
What's the average annual budget for a small business in the U.S.?
What is the population of the United States?
What's the speed of the fastest recorded baseball pitch?
What's the average upload speed of 4G LTE?
How long does it take for the Moon to rotate once on its axis?
How much electricity does the average solar panel generate?
How much water does the average person drink per day?
What's the average thickness of the Earth's crust?
What's the average speed of the Mississippi River?
What's the market cap of Intel?
At what speed does light travel in a vacuum?
What's the average wattage of a household microwave?
How much does the average bicycle weigh?
What's the average growth rate of human hair?
How many gallons of paint are needed to paint the White House?
What's the diameter of a basketball?
What's the average speed of a rabbit?