An anthropologist studying a primitive tribe in a remote location in the Amazon basin, had uncovered a strange tribal custom. Whereby, if a husband found out his wife was unfaithful to him, he must execute her in a public ceremony in front of the whole tribe on the same day at midnight. It so happened that every man in the tribe knew about every cheating wife except his own, since telling a man about his cheating wife was against the tribal honor code. On the day of his departure, the anthropologist held a tribal meeting and made the announcement: "I know there are unfaithful wives in this tribe." On the ninth day thereafter all cheating wives were executed at the same time.
How many unfaithful wives were there?

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Answers

2015-02-14T19:43:29+05:30
10 unfaithful wifes because they are executed at midnight
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