1
Question
If four persons are chosen at random from a group of 3 men, 2 women and 4
children. Then the probability that exactly two of them are children, is
[Kurukshetra CEE 1996; DCE 1999]
If four persons are chosen at random from a group of 3 men, 2 women and 4
children. Then the probability that exactly two of them are children, is
[Kurukshetra CEE 1996; DCE 1999]
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Solution
The correct option is A
Total number of ways 
2 children are chosen in 
ways and other 2
persons are chosen in 
ways.
Hence required probability =
Total number of ways 2 children are chosen in ways and other 2
persons are chosen in ways.
Hence required probability =