Problem: Who plays the title role in the 2008 film 'Iron Man'?
Answer: robert downey jr

Problem: A new 50p coin was issued in 2007 showing a fleur-de-lys embossed on a globe, it was issued to celebrate the anniversary of what?
Answer: scouting

Problem: What is the longest river in the USA ?
Answer: missouri

Problem: The X and Y axes on a graph are called the abscissa and what?
Answer:
ordinate