Find the Gold
There are 5 chests on an island. 3 of which contains stone and rubble, 1 that contains TNT that explodes as you open the lid of the chest, and a final one that contains real good.
On each of the chests is a piece of note, but you don't know which one is true, and which one is false, until you see the carvings on the stone. The notes on the stone chests are false, the one on the gold chest is true, and the one on the TNT chest might be true or false. The notes on the chest goes as follows:
First Chest: The 2nd chest contains either Gold or TNT.
Second Chest: The 4th chest is Stone.
Third Chest: The 4th chest is TNT.
Fourth Chest: The 5th Chest is Stone.
Fifth Chest: The 1st chest and the 2nd chest contains different objects.
Which Chest contains the Gold if the TNT is telling the truth?
(This is my first time making a logic problem in my mind, so if the solution is incorrect please tell me. Thanks)
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1 solution
If the first chest is true, then the fifth chest would be true, too, even when it can only contain the stones, and therefore contradictory to our earlier rules that stone chest must lie.
So, first chest must be a stone chest the liar, the same as the second chest, so the fifth chest must be lying as the last stone chest.
Since we're told that the TNT chest told the truth, then both the third and the fourth chest are trustworthy. By the carvings on the 3rd chest, TNT must be in the fourth and Gold itself is in the third chest.