Mario had to save the Princess
Mario in his final quest of saving princess finally came across two doors, labeled A and B . The instruction says that one door consists princess while other contains the fierce dragon. So Mario now had to choose the right gate to save the princess.
Later he notices some board on the door.
Door A says - Dragon is inside!
While Door B says - One of the board is true
Now select the correct option regarding the safety of the doors.
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1 solution
For instance, let's consider that Door B's statement (i.e. One of the board is true ) is true. This ultimately means that Door A's statement is false and hence Dragon is NOT inside . Thus, in this case, Door A will be safe.
Now as per the second case, let Door B's statement (i.e. One of the board is true ) is false. This ultimately means that Door A's statement too is false (since if this statement got true then Door B's statement will also get true; which is contradictory). Hence in this case also Dragon is NOT inside .
So the right answer is the princess is behind Door A .