Can You Solve the Bridge Riddle?

Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn’t so smart either. But now is not the time for regrets because you need to get away from these mutant zombies...fast. Can you use math to get you and your friends over the bridge before the zombies arrive?
garmachisays...

It took so long to set up that I didn't try to work it out and simply waited 3 seconds for the answer, which by the way, was very clever!

Anyone try to do the math first?

dannym3141says...

By a process of elimination - you know you can't do it with just the 1 minute guy ferrying everyone because 10+5+2=17 so no time for 2 return trips even at 1 minute. That made me realise two big numbers had to cross together without a big number ferrying it back. Then i just fiddled until i found a way to bring the lantern back from their trip without using up 5 minutes.

However i spent 15 minutes thinking about it, so me and 2 minutes sprinted across to safety.

garmachisaid:

It took so long to set up that I didn't try to work it out and simply waited 3 seconds for the answer, which by the way, was very clever!

Anyone try to do the math first?

Khufusays...

ya I though about it the same way... first that, to save the most time, you need the two slowest crossing at once, the rest falls into place pretty quickly/obviously.

dannym3141said:

By a process of elimination - you know you can't do it with just the 1 minute guy ferrying everyone because 10+5+2=17 so no time for 2 return trips even at 1 minute. That made me realise two big numbers had to cross together without a big number ferrying it back. Then i just fiddled until i found a way to bring the lantern back from their trip without using up 5 minutes.

However i spent 15 minutes thinking about it, so me and 2 minutes sprinted across to safety.

Zawashsays...

It doesn't matter if you or the lab assistant go back first after the first crossing, though - the line "you, as the quickest, run back with the Lantern" doesn't make sense.

Paybacksays...

Ya, the first 2 across end up both going back anyway, but I think pure Machismo would have you wait alone on the zombie side for 12 minutes instead of her for 11...

Zawashsaid:

It doesn't matter if you or the lab assistant go back first after the first crossing, though - the line "you, as the quickest, run back with the Lantern" doesn't make sense.

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