Can you solve the bridge riddle? – Alex Gendler

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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? Alex Gendler shows how.

Lesson by Alex Gendler, animation by Artrake Studio.


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37 thoughts on “Can you solve the bridge riddle? – Alex Gendler

  1. If the lab assistant takes the lantern in the first return I guess you could finish in 16 minutes
    Gives plenty of time to cut the rope

  2. There is no need to cut the ropes cause the zombies are moving in a group and as soon as they enter the bridge, it will fall

  3. grab the professors walking stick and break the end off. one by one push each zombie to the ground and stab them through the head with the broken walking stick. stay in back to back formation so you can see from both sides

  4. It’s a bridge? It’s literally a straight line. Why do you need a lantern? Give the Janitor and the Old Professor the lantern and cross the bridge when they reach the end.
    That gives you 7 minutes to do what your assistant can do in 2.
    Also, you’re not accounting for fatigue.

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  6. Can't you just run across the bridge one or two at a time? It's dark, but I'm pretty sure I can run in a straight line.

  7. you could also send the lab assistant back to the professor and the janitor and after they cross you can go back for the assistant and still make it in time.

  8. Actually, a quicker way to do this:
    Professor and Janitor cross with lantern. 10 minutes.
    You then get the lantern and return. 2 minutes.
    Cross with lab assistant. 2 minutes.
    14 minutes in total.

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