Subject
Quantitative Aptitude
Topic
Probability
Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl.
Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl.
ক)
19/34খ)
5/4গ)
20/34ঘ)
25/34Explanation
The events of selection of two person is redefined as first is a girl and second is a boy or first is boy and second is a girl or first is a girl and second is a girl. So the required probability: = = =Related questions
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