Problem solving exercise – microsoft test problem

– ›U2 has a concert that starts in 17 minutes and they must all cross a bridge to get there.

-› All four men begin on the same side of the bridge.

– ›You must help them across to the other side in under or at 17 minutes.

›- It is night. There is one flashlight.

›- A maximum of two people can cross at one time.

›- Any party who crosses, either 1 or 2 people, must have the flashlight with them.

›- The flashlight must be walked back and forth, it cannot be thrown, etc.

›- Each band member walks at a different speed.

– ›A pair must walk together at the rate of the slower man’s pace:

›= Bono: 1 minute to cross
= Edge: 2 minutes to cross
= Adam: 5 minutes to cross
= Larry: 10 minutes to cross

Goal: To get all 4 members across to the other side of the bridge in 17 minutes.

Problem: They have to get across the bridge in a limited amount of time.

Constraints/boundaries:  Each one person/pair must carry a flashlight. They each have different speeds of walking and if they’re in a pair they must both walk at the slower rate of walking. They only have 17 minutes. A maximum of 2 together can cross at a time.

Resources: Bridge, flashlight

Ownership: You have to get them across in 17 minutes.