Rope Bridges Puzzle

29.07.2015 |

Four people need to cross a rope bridge, which is strong enough to support only two people at a time. First person takes 1 minute to cross the bridge, Second person takes 2 minutes, Third person takes 5 minutes, and the Fourth person takes 10 minutes to cross the bridge. They have a torch which has battery left only for 17 minutes and the bridge can not be crossed without light.

How will they manage to cross the bridge?

View the solution

Expand your knowledge universe in just 5 minutes a day via bite-sized email courses. 

Go Highbrow

Share with friends: