IF GIRAFFE HAS 2 EYES A MONKEY HAS 2 EYES AND AN ELEPHANT HAS 2 E RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

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This is a famous question in understanding conditional probability, which simply means that given some information you might be able to get a better estimate.

The following are possible combinations of two children that form a sample space in any earthly family:

Boy - Girl
Girl - Boy
Boy - Boy
Girl - Girl

Since we know one of the children is a boy, we will drop the girl-girl possibility from the sample space.
This leaves only three possibilities, one of which is two boys. Hence the probability is 1/3 Did you answer this riddle correctly?
YES  NO  

Dark Circles Under the Eyes Did you answer this riddle correctly?
YES  NO  

It was not raining. Did you answer this riddle correctly?
YES  NO  

The White House is in Washington, D.C., United States. Did you answer this riddle correctly?
YES  NO  

A donkey, turkey and a monkey. Did you answer this riddle correctly?
YES  NO  

7. Did you answer this riddle correctly?
YES  NO  

I am playing basketball. Did you answer this riddle correctly?
YES  NO  

67. Did you answer this riddle correctly?
YES  NO  

76. Did you answer this riddle correctly?
YES  NO  

Marry her Did you answer this riddle correctly?
YES  NO  

When there are two of them! Did you answer this riddle correctly?
YES  NO  

A Post Ofiice. Did you answer this riddle correctly?
YES  NO  

A Teapot Did you answer this riddle correctly?
YES  NO  

Anything you want, it can't hear you! Did you answer this riddle correctly?
YES  NO  

Just one the zebra. The other 30 animals (5 giraffes and 25 monkeys) were going the other way. Did you answer this riddle correctly?
YES  NO