Ballpark — February 25, 2026
Answers to that day's 5 daily estimation questions.
Years the Berlin Wall stood
28 years
1961 to 1989.
Players on a soccer field at once
22 players
A standard match has 22 players on the pitch.
Total length of the Great Wall of China
13,175 miles
The main line is shorter; this includes all branches.
Total billionaires in the world
3,428 billionaires
The US has the most, followed by China and India.
Runtime of the movie Oppenheimer
180 minutes
Christopher Nolan's longest film to date.