Problem: In 1936, Lionel Van Praag won the first world championship in which sport?
Answer: speedway

Problem: Who was British Prime Minister when the American Declaration of Independence was signed in 1776?
Answer: lord north

Problem: What name is given to the very serious chain of events which can follow the failure of the cooling system in a nuclear reactor?
Answer: meltdown

Problem: Actor Neil Burgess plays Barry Scott in the UK television commercial for which cleaning product?
Answer:
cillit bang