Question

Imagine a prison consisting of 64 cells arranged like the squares of an 8-by-8chessboard. there are doors between all adjoining cells. a prisoner in one ofthe corner cells is told that he will be released, provided he can get into thediagonally opposite corner cell after passing through every other cell exactlyonce. can the prisoner obtain his freedom

Answer 1

YES, WHY NOT?
Imagine he is on the top right cell, he will get down through all the cells by using the lower doors until he reaches the bottom right cell. Then he will use the doors on the left until he reaches the bottom left corner. He is diagonally opposite to top right cell.
CONDITION FULFILLED!!
:)