How far away is the horizon?
How fast does the moon move?
The Great Rhun and the box of one year's delight
What is the very smallest measurement?
How can you make a liar tell the truth?
How far does a water current make you drift off course?
What is the biggest shape you can put a fence around?
How many snaps does it take to break up a chocolate bar?
How many different nets of a cube are there?
Did Dolly diddle the dodgy diamonds?
Why can't you get a giant people-eating spider?
What's that nasty thing in the basement?
How many people in the world share your birthday?
How do you make a perfect kite shape quickly?
What is the biggest number?
Can one giant sneeze blast the Earth out of orbit?
Some unexpectedly evil football sums
How much of Archimedes' bathwater is in every glass of water you drink?
