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