Random Blocks
A boy has four red blocks and eight blue blocks. He arranges his 12 blocks randomly, in a ring.
What is the probability that no two red blocks are adjacent?
What is the probability that no two red blocks are adjacent?
Labels: logic, mathemagic
posted by Rajesh Lal at
8:42 AM
4 Comments:
100%
I don't know what it is, but it definitely isn't 100%.
I'm not going to take the time to do the math, but my guess is 20%-25%.
7/33. No idea if it's right. I hate stochastics. Rajesh Lal, if there was an easy way to solve this, please post it at some stage.
0%. Adjacent means that they are side by side, or flush. If they are arranged in a ring, none of them are adjacent.
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