A Dog Tied to a Tree
A dog was tied to a tree with a 7-meter rope. How did the dog manage to get to its bowl of food which was 15 meters away from the dog?
SOLUTION
The dog was initially on the other side of the tree and the tree’s diameter was 1 meter long. Thus, when the dog moved to the opposite side, it got 2×7+1=15 meters closer to its food.
We do not know where this puzzle originated from. If you have any information, please let us know via email.