St David's Day! Any questions? What would happen if you put 20,000 leeks under the sea? How do you get two whales in a mini? That sort of thing. The sillier the better.

## Colin

Colin is a Weymouth maths tutor, author of several Maths For Dummies books and A-level maths guides. He started Flying Colours Maths in 2008.
He lives with an espresso pot and nothing to prove.