Quizzing Live

The Following Is A Line From Which 1970's Film 'Is It Safe' "

Answer:
Marathon Man
What Is The Final Event In A Decathlon?
What Year Was Sydney Opera House Completed?
Who Was President Of The Usa From 1953 Till 1961?
Which Is The Smallest Living Relative Of The Dinosaur?
What Does The Brut Indicate On A Bottle Of Champagne?
What Type Of Clock Was Invented By 'Levi Hutchins' In 1787?