A clock strikes once at one o'clock, twice at two o'clock, and so on. It also strikes once at half past each hour. How many times altogether does this clock strike in 12 hours?!

A clock strikes once at one o'clock, twice at two o'clock, and so on. It also strikes once at half past each hour.

How many times altogether does this clock strike in 12 hours?!

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A clock strikes once at one o'clock, twice at two o'clock, and so on. It also strikes once at half past each hour. How many times altogether does this clock strike in …

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