Ballpark #43 — answers
September 6, 2026 · five estimation questions and their accepted values
Question 1
How many rooms are in Buckingham Palace?
775
Question 2
How long is the border between the United States and Canada, in kilometers?
8891
The longest international land border in the world.
Question 3
How many Academy Awards did Walt Disney win?
22
The most Oscars won by any individual.
Question 4
How many liters of milk does a dairy cow produce per day?
28
Question 5
How many nerve endings are in a single human fingertip?
3000
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