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Aptitude · Q111

Probability

Competitive Exams · Aptitude · question 111

Q111

Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?

A.
B.
C.
D.
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
P(at least one graduate) = 1 - P(no graduates)