Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If two subsets A and B of set S containing n elements are selected at random, then the probability that A ∩ B = φ and A ∪ B = S is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
There are 4 possible cases for an elements
(i) neither present in A nor in B
(ii) present both in A and B
(iii) present in A and absent in B
(iv) present in B and absent in A
Case (iii) and (iv) are favorable = 
= 
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