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The chimes of the clock

The chimes of the clock

The bell clock shows all the hours by ringing as many bells as the time you are at.

How many bells will the clock give during a full day?

Solution

For one day, the clock will ring the bells from 00:00 in the morning until 23:00 at night since the next time will correspond to another day. So the total of bells will be:

12 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 = 156 chimes