"Mental Deficiency" joke
A noted psychiatrist was a guest at a party and his host, Banta, naturally broached the subject in which the doctor was most at ease. "Would you mind telling me, Doctor," Banta asked "how you detect a mental deficiency in somebody who appears completely normal?" "Nothing is easier," he replied. "You ask him a simple question which everyone should answer with no trouble. If he hesitates, that puts you on the track." "What sort of question?" "Well, you might ask him, `Captain Cook made three trips around the world and died during one of them. Which one?` Banta thought for a moment, and then said with a nervous laugh, "You wouldn`t happen to have another example would you? I must confess I don`t know much about history
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