Question

Four people have to cross a bridge... It's very dark and they only have one flashlight... They can't make it across without some light. Not more than two people can cross at a time. Ram can cross the bridge in 1 minute. Shiva can cross in 2 minutes. Roshan can cross in 5 minutes. Balu can cross in 10 minutes. How can they all get across in 17 minutes?​

Answer 1

Answer:

There is only one torch with them and the bridge cannot be crossed without the torch. There cannot be more than two persons on the bridge at any time, and when two people cross the bridge together, they must move at the slower person's pace

Answer 2

There is only one torch with them and the bridge cannot be crossed without the torch. There cannot be more than two persons on the bridge at any time, and when two people cross the bridge together, they must move at the slower person's pace.