Brain Teasers
Four Card Monte
The face cards of a deck of red-backed playing cards and blue-backed playing cards are shuffled together. Then they are cut, one side is turned face up and they are shuffled together face-up and face-down. Then four cards are dealt out on the table like this:
Red Blue King Jack
How many cards must you turn over to correctly answer the question:
"Does each red card on the table have a jack on the other side?"
You must choose all of the cards to be flipped before any of them are flipped.
Red Blue King Jack
How many cards must you turn over to correctly answer the question:
"Does each red card on the table have a jack on the other side?"
You must choose all of the cards to be flipped before any of them are flipped.
Answer
Only two: the red card and the king. Some people mistakenly include the jack, but it doesn't matter if the Jack showing is red or blue in order to answer the question.Hide Answer Show Answer
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