Measure by Hourglass

It's a test that will check your IQ.

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

Can you measure exactly fifteen minutes using them ?




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using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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Boxes are labeled but all labels are wrong!

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How many such operations are necessary to correctly label the boxes?

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1 dollar = 100 cent
= 10 cent x 10 cent
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solve this tricky problem?

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Can you decipher the following common phrase?

T M C
A U O
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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.