Confusing Probability Puzzle - Hint

#192

There are two juveniles in Mr.Sharma's family. At least one juvenile is a boy. What is the probability that both of the juveniles are boys?

Also, there are two juveniles in Mr.Verma's family. The older juvenile is a girl. What is the probability that both of the juveniles are girls? 

  Difficulty Level - 3/5

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  Hint : 

  These are two different cases.