Riddle

A clock chimes 5 times in 4 seconds. How many times will it chime in 10 seconds?

Answer

Take a moment to solve it, then reveal the answer below.

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Answer

11 times. It chimes at zero and then once every second for 10 seconds.

Why it works

The trick is whether the situation repeats after the first step or the list counts the same item more than once.

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