How Many...? - Statistics

General Stats
  • This quiz has been taken 36 times
  • The average score is 9 of 15
Answer Stats
Category (Units) Answer % Correct
Rings on the Olympic flag (number) 5
91%
Distance ran in marathon (km/miles) 42/26
85%
Colours on the South African flag (number) 6
85%
Average sleep time* (hours) 7
85%
People on the Moon (number) 12
79%
Teeth as an adult (number) 32
79%
Brains in an octopus (number) 9
73%
Oldest person ever (years) 122
70%
Languages with 100+ million speakers (number) 15
58%
Moon stages/faces (number) 8
58%
Keys on a standard piano (number) 88
58%
Water in the human body* (percentage) 60
52%
Moons of Jupiter (number) 95
24%
Cloud weight* (tonnes) 1000000
9%
Radius of Earth's inner core* (km/miles) 1200/800
9%
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Score Distribution
Percent of People with Each Score
Percentile by Number Answered
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