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CGP EDU Academic Team
Published on: August 14, 2026
There are three clubs A, B, C in a town with 40, 50, 60 members respectively 10 people are members of all the three clubs, 70 members belong to only one club. A member is randomly selected. Find the probability that he has membership of exactly two clubs
Text Solution
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(5/21)
Sol. 
p 1 + p 2 + p 3 = 70 and p 4 + p 5 + p 6 = 25
A : Event that he has membership of exactly two clubs P(a) = 
= 
= 
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