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