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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In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

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Distances from you to certain cities are written below.

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.