The Two Hourglasses



You have only two hourglasses. The first one times exactly 7 minutes, the other times exactly 11 minutes.

Using just these two hourglasses and nothing else, how would you accurately time 15 minutes?

Ah! Click here to read the solution.



The Greatest Pharaoh



The Pharaoh asked: “Who is the greatest of the gods of all time?”

Horus said: “I am not”.
Isis said: “Anubis is”.
Anubis said: “Isis is lying”.

Only one god is telling the truth, the other two are lying.

Who is the greatest?

Ah! Click here to read the solution.