Q14 of 162 Page 1

Mark the correct alternative in the following:

If A = {1, 2, 3, 4, 5}, then the number of proper subsets of A is


Here, n(A)=5


⇒n(P(A) )=25=32


So,A has total 32 subsets but one of them is A itself.


∴ Proper subsets of A are 32-1=31.

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