doradoradoraswiper doradoradoraswiper

19-05-2023
Mathematics

Answered

A joke is being spread by a group of students. Each day,
any student who has heard the joke tells it to 1 student
who has not already heard it. If 2 students knew the
joke at the end of the first day and 4 students knew it at
the end of the second day, how many students knew
the joke at the end of the third day? How many knew it
at the end of the fourth day?

Answer :

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