7 caravans from the Bailey range

1. Olympus 462
2. Pegasus 534
3. Unicorn Seville
4. Ranger Series 6 460
5. Ranger GT60 Series 6 540
6. Pageant Series 7 Limousin
7. Senator Series 6 California

7 largest islands

1. Australia
2. Greenland
3. New Guinea
4. Borneo
5. Madagascar
6. Baffin Island
7. Sumatra

7 sections of the royal navy

1. Surface Fleet
2. Fleet Air Arm
3. Submarine Service
4. Royal Naval Reserve
5. Queen Alexandra's Royal Naval Nursing Service
6. Royal Fleet Auxiliary
7. Royal Marines

7 artists Simon Posford has collaborated with

1. Martin Glover (Celtic Cross)
2. Raja Ram (Shpongle)
3. Graham Wood (The Mystery of the Yeti)
4. Benji Vaughan (Yonger Brother)
5. Greg Hunter (Dub Trees)
6. George Barker (Binah)
7. Chris Decker (Anubis)

7 Drivers of car 7 in 2010

Thanks to Elephino for today's contribution. :)

1. Danica Patrick (IndyCar and NASCAR)
2. Rick Kelly (V8 Supercars)
3. Felipe Massa (F1)
4. Hiroshi Aoyama (MotoGP)
5. Paul Di Resta (DTM)
6. Tom Kristensen/Allan McNish/Rinaldo Capello (Le Mans 24 Hour)
7. Dani Sordo (WRC)

7 answers we got right in this week's University Challenge

1. Formic
2. San Andreas
3. Oxford
4. Isaac Asimov
5. Archetypes
6. Willow
7. 0

7 Territorial claims in Antarctica

1. British Antarctic Territory - UK (20°W to 80°W)
2. Ross Dependency - New Zealand (150°W to 160°E)
3. Adélie Land - France (142°2'E to 136°11'E)
4. Peter I Island - Norway (68°50′S 90°35′W)
5. Australian Antarctic Territory - Australia (160°E to 142°2'E and 136°11'E to 44°38'E)
6. Antártica - Chile (53°W to 90°W)
7. Argentine Antarctica - Argentina (25°W to 74°W)