Ballpark #8 — answers
August 2, 2026 · five estimation questions and their accepted values
Question 1
How many people were aboard the Titanic on its final voyage?
2224
Commonly cited figure; records differ slightly.
Question 2
How many elements are in the periodic table?
118
Question 3
How far is New York from Los Angeles in a straight line, in kilometers?
3940
Question 4
How wide is a sheet of A4 paper, in millimeters?
210
Question 5
How many ants are there for every human on Earth?
2500000
Based on the ~20 quadrillion ant estimate (2022 study).
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