A BOY AND GIRL ARE STA 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  

Time Did you answer this riddle correctly?
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Envelope. Eye is a potential alternative. When spoken out loud it sounds like a single letter (I). Did you answer this riddle correctly?
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Take away its chair Did you answer this riddle correctly?
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Ship gloss Did you answer this riddle correctly?
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Potatoes Did you answer this riddle correctly?
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If they lifted the other leg, theyd fall over. Did you answer this riddle correctly?
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Anchor Did you answer this riddle correctly?
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An anchor Did you answer this riddle correctly?
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Nothing. She's the first to go. Did you answer this riddle correctly?
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You look bootiful tonight. Did you answer this riddle correctly?
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Pepper Did you answer this riddle correctly?
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The letter 'T'

(T)emporary and Permanen(t) Did you answer this riddle correctly?
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Playing Chess with Aire, as Chess is a two person game! Did you answer this riddle correctly?
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A mailbox Did you answer this riddle correctly?
YES  NO