How do you play 21 questions rules?

How do you play 21 questions rules? Someone volunteers or a person is randomly chosen to be the first person to answer the 21 questions. The rest of the group takes turns asking that person a total of 21 questions. Your group can choose whether follow questions to their answers count towards the 21 questions total.

Someone volunteers or a person is randomly chosen to be the first person to answer the 21 questions. The rest of the group takes turns asking that person a total of 21 questions. Your group can choose whether follow questions to their answers count towards the 21 questions total.
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