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Friday, March 30, 2012

Friday Puzzler

Here's another logic puzzle I've adapted directly from a recent "Futility Closet" offering. It is the sort of mind-bender that either you like... or, it drives you bonkers!:

A question on a multiple-choice exam is followed by the answer choices given below. Even without knowing the question, what must be the right answer?

a) All of the below
b) None of the below
c) All of the above
d) One of the above
e) None of the above
f) None of the above

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ANSWER: e (you can work through the logical possibilities starting at "a" and working down, or starting at "f" and working up, to arrive at the answer)

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