Brain Game: Beep Beep

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The answer to today's Brain Game may not be as simple as it might appear. Good luck!

At the top of each hour, a digital clock lets out a very quick "beep" once every second to denote the hour. So at one o'clock, the clock beeps once. At two o'clock, it beeps twice, and so on. You note that when it's six o'clock, it takes the device five seconds to sound all its beeps. With this in mind:

How long should it take the clock
to sound 12 beeps when it's twelve o'clock?

Here is the SOLUTION.

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