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| Brain
Teasers > Passing Scandal |
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| Assume that you have just heard of a scandal and
that you are the first one to know. You pass it on
to 4 persons in a matter of 30 minutes. Each of these
4 persons in turn passes it to 4 other persons in
the next 30 minutes and so on.
Assume that no one hears it more than once and
that the world population is 5.6 billion.
How long will it take for everybody in the world
to get to know the scandal? |
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