Thursday, August 6, 2015
U2 Gig
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Unfortunately they only have one torch between them which must be used to cross the bridge safely and may not be thrown, only carried across the bridge.
The bridge will hold up to two band members at any time.
Each member crosses at their own pace and two members must go at the slower members pace.
Bono can cross in one minute, The Edge in two, Adam in five, and Larry in ten.
How do they make it in time?
U2 Gig Puzzle Solution
The trick is to get the two slowest people to cross at the same time. One solution is...- Bono and Edge cross the bridge for which they take 2 mins (Total time = 2)
- Then Bono comes back with the torch (Total Time = 2 + 1 = 3)
- Then Adam and Larry cross the bridge (Total time = 3 + 10 = 13)
- Then Edge comes back (Total = 13+2 = 15)
- Then both Bono and Edge cross the bridge (Time = 15+2=17)
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