You may also like

problem icon

The Fastest Cyclist

Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?

Gutter

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

A plastic gutter is designed to catch water at the edge of a roof.

gutter cross-sections
Manufacturers need to minimise the amount of material used to make their product. What is the best cross-section for a gutter?