Problem: Of which aluminium oxide mineral are ruby and sapphire among the coloured varieties?
Answer: corundum

Problem: Which four letter word beginning withR is a large, flightless South American bird, resembling a small osrtich?
Answer: rhea

Problem: Which war was contested between 1775 and 1783 and was concluded by the 'Treaty of Paris'?
Answer: american war of independence

Problem: """Big Brother is Watching You"" comes from what novel?"
Answer:
nineteen eighty four