Unanswerable multiple choice question

#1

Post by yaroslavvb » Thu, May 20, 2010, 6:34 AM UTC

If you choose the answer to this question at random, what is the chance it will be correct?

A) 25% B) 50% C) 0% D) 25%

Re: Unanswerable multiple choice question

#2

Post by pook » Thu, May 20, 2010, 6:44 AM UTC

It is answerable... with a swift kick to the balls of the person asking it.

Re: Unanswerable multiple choice question

#3

Post by donohoe » Thu, May 20, 2010, 6:46 AM UTC

B

Re: Unanswerable multiple choice question

#4

Post by [deleted] » Thu, May 20, 2010, 6:59 AM UTC

[deleted]

Re: Unanswerable multiple choice question

#5

Post by [deleted] » Thu, May 20, 2010, 7:01 AM UTC

[deleted]

Re: Unanswerable multiple choice question

#6

Post by spicyj » Thu, May 20, 2010, 7:05 AM UTC

[deleted] wrote: post #5

[deleted]

But then you're implying that you'll get a correct answer 1/2 of the time, which means that the answer is B, but then the answer is correct only 1/4 of the time, and you've got yourself in an infinite loop.

Re: Unanswerable multiple choice question

#7

Post by [deleted] » Thu, May 20, 2010, 7:08 AM UTC

spicyj wrote: post #6

[deleted] wrote: post #5

[deleted]

But then you're implying that you'll get a correct answer 1/2 of the time, which means that the answer is B, but then the answer is correct only 1/4 of the time, and you've got yourself in an infinite loop.

[deleted]

Re: Unanswerable multiple choice question

#8

Post by kqr2 » Thu, May 20, 2010, 7:14 AM UTC

pook wrote: post #2

It is answerable... with a swift kick to the balls of the person asking it.

But there's only a 50% chance that the person asking that will have balls.

Re: Unanswerable multiple choice question

#9

Post by katovatzschyn » Thu, May 20, 2010, 7:16 AM UTC

Appears to be a clever case of the first incompleteness theorum.

Re: Unanswerable multiple choice question

#10

Post by mahmud » Thu, May 20, 2010, 7:37 AM UTC

donohoe wrote: post #3

B

B is the new C

http://i.imgur.com/LZBup.jpg