Ballpark #11 — answers
August 5, 2026 · five estimation questions and their accepted values
Question 1
How many time zones does Russia span?
11
Question 2
How tall is Angel Falls, the world's highest waterfall, in meters?
979
Question 3
How many stars can the naked eye see on a clear dark night, across both hemispheres?
9000
Rough astronomical estimate.
Question 4
How many McDonald's restaurants are there worldwide?
42000
Recent company-reported figure.
Question 5
How far is the shortest swim across the English Channel, in kilometers?
34
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