How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...
Weekly Problem 40 - 2007
Harriet Hare and Turbo Tortoise want to cross the finish line together on their 12 mile race.... What time should Harriet set off?
Weekly Problem 32 - 2008
Malcolm and Nikki run at different speeds. They set off in opposite directions around a circular track. Where on the track will they meet?