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Mathematics, 06.05.2020 02:03 keananashville

Jill is inviting friends for
a party, She doesn't know
any of their birthdays. What
is the least number of friends
that she needs to invite in
order to guarantee that at
least a of the friends will
I have a birthday in the same month?

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Answers: 2

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Jill is inviting friends for
a party, She doesn't know
any of their birthdays. What
i...
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