Chain Reaction!

A person in a group of 60 60 wishes out aloud "Happy New Year" to another person . This initiates a chain reaction, resulting in every person in the group wishing each other a "Happy New Year" (whether they like it or not). How many times has the phrase "Happy New Year" been spoken?

3600 3481 3540 3500

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1 solution

Brock Brown
Jan 1, 2015

Each of the 60 people will wish 59 people a Happy New Year.

60 * 59 = 3540

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