
problem
Fence it
If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?
Four friends must cross a bridge. How can they all cross it in just 17 minutes?
Manufacturers need to minimise the amount of material used to make their product. What is the best cross-section for a gutter?
What is the greatest volume you can get for a rectangular (cuboid) parcel if the maximum combined length and girth are 2 metres?