1 What are the four 'C's of a diamond?
Colour, cut, clarity, carat
 
2 What is the name of the longest tunnel in Europe?
Gotthard Base Tunnel/GBT (as of 2011, actually the longest in the world.)
 
Rail tunnel beneath the Swiss Alps, eastern completed 15 October 2010, western completed 23 March 2011.
3 From which stone are the pyramids in Giza build from?
Limestone
 
4 Which country won the Eurovision song contest in 2011?
Azerbaijan
 
Ell & Nicki singing Running Scared
5 In which year was the board game Monopoly Patented?
1935
 
5000 games produced in 1933, patent granted 1935,
6 What substance is made from sulphur, charcoal and potassium nitrate?
Gunpowder
 
7 Sir Charles Barry (23 May 1795 – 12 May 1860) designed which iconic British building?
Palace of Westminster (also known as the Houses of Parliament)
 
8 How old was Marylin Monroe when she died?
36 (June 1, 1926 – August 5, 1962)
 
9 In America they're called Graham Crackers. What are they called in the UK?
Digestive biscuits
 
10 With over 26,000 accepted species, what is the largest family of glowering plants?
Orchids