Subject
Quantitative Aptitude
Topic
Probability
Find the probability of selecting exactly 2 children when four persons are choosen at random from a group of 3 men, 2 woman and 4 children.
Find the probability of selecting exactly 2 children when four persons are choosen at random from a group of 3 men, 2 woman and 4 children.
ক)
9/29খ)
10/21গ)
12/21ঘ)
14/19Explanation
4 persons can be selected from 9 in ways =126 Fvaourable events = =60 So,required probability = 60/126 = 10/21Related questions
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