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