Home Maths Set Theory and Relations All Topic Question for Revision Test If is a finite set having elements, then …
Maths Set Theory and Relations All Topic Question for Revision Test Single Correct MCQ
Published on: August 12, 2026

If is a finite set having elements, then has

A
elements
B
elements
C
elements
D
none of these

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Text Solution

Verified by Experts
The correct answer is:
B

If a set has elements, then each element has two choices in a subset:

• Either it is included

• Or it is not included

So total number of subsets

Since (power set of ) is the set of all subsets of ,

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