Question:
If A=1,2,3,4,5 then the number of proper subsets of A is:
If A=1,2,3,4,5 then the number of proper subsets of A is:
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Proper subsets = 2ⁿ-1.
Updated On: Mar 17, 2026
- 31
- 38
- 48
- 54
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The Correct Option is A
Solution and Explanation
Total number of subsets of a set with n elements is 2ⁿ.
Here n=5, so total subsets =2⁵=32.
Proper subsets exclude the set itself.
Proper subsets = 32-1=31
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