AT LAST COUNT THERE ARE MORE THAN 2300534 IN THE US THOUGH DIFFICUTL TO SEE CHANCES ARE YOU PED 150 TODAY WHAT ARE THEY RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Monkey and donkey Did you answer this riddle correctly?
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They both have good constitutions! Did you answer this riddle correctly?
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Japan Did you answer this riddle correctly?
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Asia Did you answer this riddle correctly?
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Mexico. (The official name of Mexico is United States of Mexico.) Did you answer this riddle correctly?
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Mexico Did you answer this riddle correctly?
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Mexico Did you answer this riddle correctly?
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Mexico Did you answer this riddle correctly?
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China Did you answer this riddle correctly?
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Piano keys, keyboard keys, monkey, donkey, turkey, jockey, hockey, doohickey, malarkey and passkey. Did you answer this riddle correctly?
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Australia! Did you answer this riddle correctly?
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October Did you answer this riddle correctly?
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China Did you answer this riddle correctly?
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In London Big Ben chimes in the New Year. Did you answer this riddle correctly?
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1/3

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?
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