How d!d the Kn!gnt surv!ve ??

Posted: January 20, 2010 in Br@!n Te@$er$
Tags: , ,

A dragon and a knight live on an island. There are seven poisoned wells on the island.These wells are numbered from 1 to 7. If someone drinks from a well, he can only neutralize the poison by drinking from a higher-numbered well. Well number 7 is located at the top of a very high mountain on the island and only the dragon can reach it.
One day the dragon told the knight that he wanted the island all for himself and that they should have a duel. He set the foll owing conditions. Each of them has to bring a glass of water to the duel. Then,they are supposed to exchange the glasses, and drink from the other’s glass.
The dragon thought that the knight was doomed to die. But the knight devised a clever plan so that he will live and the dragon will die. What was his plan?
Frnds this qn is direct and simple. There are no tricks in this qn. Think laterally to find the soln. If not i ll help u guyz…

  1. bevkufgadha says:

    Following could be one of the plan :

    Dragon will bring water from 6th or 7th wall as he know that Knight can not go to 7th well to neutralize the poison effect.
    But as we know Knight is Smart , so he could drink water from any well before coming to Dragon so that the water which Dragon will give him , can neutralize the poison effect .In this way knight could survive.

    Smart Knight could bring mixture of two wells(well 1 + well 2) .poison effect will not there as Higher well neutralize and this water would be normal.

    When Dragon will drink that water , after that he will go to 7th well . But this time the poison of 7th well be the cause of Dragon death as he drank normal water before..

  2. David R says:

    First part of my solution as bevkufgadha’s solution (drink from well 1, later water will neutralize it).

    Second part: since we’re on an island, we’ll fill the glass for the dragon with harmless seawater. Dragon will drink from some other well (probably well 7) and kill himself.


  3. Voila!!!
    Perfect Answers!!
    Both answers are good..

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