Hourglass Time Puzzle

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Hourglass Time Puzzle




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It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

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What number comes next in the series?

5 15 5 18 5 24 14 20 _

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Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.