A bottle and its contents costs £1.10. The contents cost £1 more than the bottle. How much is the bottle ?
A man on a perfectly square island and is hoping to find a boat along the shore. He walks the first side in 80 minutes
he walks the second side in 80 minutes
he then walks the third side in 80 minutes before collapsing in an exhausted heap.
when he has rested he decides to walk the fourth and final side. But this time it takes him 1 hour and 20 minutes