Number of Olympics previously held in South America
Number of times BMX has featured in previous Olympics
Number of players on a beach volleyball team
Number of different types of fencing weapons
Number of weight categories in taekwondo (for each gender)
Number of rings on the Olympic flag
Number of different football stadiums used in the 2012 Olympics
Number of players in a water polo team
Most gold medals ever won by one person at any one Olympics
Maximum number of people in one boat in any rowing event
Height of highest diving board in metres
Number of players on a hockey team (excluding substitutes)
Number of feathers in an Olympic shuttlecock
Number of competition days (including football)
Number of seconds of a pinning hold in judo to win
Temperature of water in the Aquatics Centre (Celsius)
Total number of different venues used
Total number of playing minutes of a basketball game (excluding overtime)
Length of Olympic swimming pool in metres
Total number of playing minutes of a handball match (excluding overtime)
Length of archery shooting distance in metres
Diameter of 2012 Olympic medal in millimetres
Shortest Olympic hurdles distance in metres
Number of targets in the men's skeet
Number of countries (NOCs) taking part
Length of Olympic canoe slalom course in metres
Total number of Olympic medal events
Length of swim in triathlon event in metres
Year of first Modern Olympics
First year of Winter Olympic Games
First year of Olympic flame relay
Last time Olympics were held in London
First year Olympics held in a Communist country
First year trampolining held at the Olympics
Number of people that have carried the Olympic torch across the UK
Number of temporary toilets in the Olympic Park and Village
Longest athletic event in metres
Capacity of the 2012 Olympic stadium
Cost of designing the 2012 Olympic Logo
Total number of 2012 Olympic Tickets