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How much caffeine is in a typical cup of coffee?

How much water does the average person drink per day?

How long is the Great Wall of China?

What's the average growth rate of human hair?

What's the diameter of a basketball?

What's the average annual budget for a small business in the U.S.?

How much does the average bicycle weigh?

What's the average thickness of the Earth's crust?

At what speed does light travel in a vacuum?

What's the speed of the fastest recorded baseball pitch?

How many bricks are in the Great Wall of China?

What is the population of the United States?

How many gallons of paint are needed to paint the White House?

How much electricity does the average solar panel generate?

What's the density of copper (in g/cm³)?

What's the average speed of the Mississippi River?

What is the market capitalization of Apple Inc.?

What's the average upload speed of 4G LTE?

What's the average wattage of a household microwave?

What's the average size of a car parking space?

What's the market cap of Intel?

What's the average temperature of the surface of the Sun?

How long does it take for the Moon to rotate once on its axis?

What is the total length of the human circulatory system?

What's the average speed of a rabbit?