The Collapsing Bridge Puzzle
The Puzzle:
4 people want to cross it before it will collapse. It is a dark night and there is only one torch between them.
Only two people can cross at a time.
"A" takes a minute to cross.
"B" takes 2 minutes.
"C" takes 5
and "D" takes 10 minutes
How do they all cross before the bridge collapses?
Do you have the answer? Check against our solution!