January 8th, 2010 by admin

“Would you mind telling me,  Doctor,” Bob 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?’

Bob thought for a moment,  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.”