U2 - 17 minutes to cross a bridge????
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Scooby Regular
Joined: Jul 2001
Posts: 707
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Got this emailed earlier, supposedly it's a question that Microsoft give to prospective employees.
Anybody seen this?
> "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.
>
> It is night and 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
>
> For example: if Bono and Larry walk across first, 10 minutes have
elapsed
> when they get to the other side of the bridge. If Larry then returns
with
> the flashlight, a total of 20 minutes have passed and you have failed
the
> mission.
>
> Notes: There is no trick behind this. It is the simple movement of
> resources in the appropriate order. There are two known answers to
this
> problem. This is based on a question Microsoft gives to all
prospective
> employees.
>
> Note: Microsoft expect you to answer this question in under 5 minutes!
Brain a bit mushy on a Friday afternoon, so any help appreciated
Mike.
Anybody seen this?
> "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.
>
> It is night and 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
>
> For example: if Bono and Larry walk across first, 10 minutes have
elapsed
> when they get to the other side of the bridge. If Larry then returns
with
> the flashlight, a total of 20 minutes have passed and you have failed
the
> mission.
>
> Notes: There is no trick behind this. It is the simple movement of
> resources in the appropriate order. There are two known answers to
this
> problem. This is based on a question Microsoft gives to all
prospective
> employees.
>
> Note: Microsoft expect you to answer this question in under 5 minutes!
Brain a bit mushy on a Friday afternoon, so any help appreciated
Mike.
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