What are the Odds?
Trick brain teasers appear difficult at first, but they have a trick that makes them really easy.
If you choose to answer this question at random, what are the chances you will be correct?
A) 25%
B) 50%
C) 60%
D) 25%
HintWhat category is this question under?
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Answer
0%
If you were to choose 25%, that would be wrong, because there are two 25% answers, giving you a probability of 50%, which is also not possible, because the answer 50% is only offered once as an option. It's a probability paradox!
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Comments
kitty-cat   
Nov 18, 2012
| First comment!
 Great teaser, I got it simply because I read too many trick brain teasers.
I saw the name in the new teasers section and luckily glanced at the category before answering. I thought it was probability at first.  |
ursulanq
Nov 20, 2012
| Nice one!! Of course me being me I said 25%. Aren't I amazing!!! |
dangerouspie101
Nov 23, 2012
| Awesome, cg!  |
supernova12 
Nov 24, 2012
| I love your teasers! They're all very creative and and perfect in every way! |
Quocalimar
Nov 24, 2012
| bwuuuuuuuuuuuh. I got it wrong and still don;t get it after reading the answer. That was extremely clever. |
Viper
Nov 25, 2012
| The correct answer is B.
The question is phrased "IF you choose to answer this question at random." 50%! |
kitty-cat
Nov 28, 2012
| But if the correct answer is B, then you DON'T have a 50% chance of getting it right. If the answer is 50%, then the answer is actually 25%, but then it would be 50, and it's an endless loop, a paradox. |
christiangrl
Nov 28, 2012
| Thank you kitty. |
Thekid4
Dec 05, 2012
| Okay, I see the paradox, but why is the answer 0%? Shouldn't it be "there is no answer" or "paradox"? Either way, great teaser. |
sarah12lizbeth
Dec 08, 2012
| I thought that as well, Viper. 50%. Hmmm...  |
Obilio
Dec 11, 2012
| cool I think, lol |
sashomarine
Mar 22, 2013
| That's really smart |
JQPublic
Apr 19, 2013
| Thanks, my brain really hurts now. Great teaser. |
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