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Q

I have a doubt, kindly clarify. If a set A has 8 elements,How many subsets class A have?

If a set A has 8 elements,How many subsets class A have?

  • Option 1)

    127

  • Option 2)

    255

  • Option 3)

    511

  • Option 4)

    1023

 
Answers (1)
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As we learnt

 

Proper Subset -

 

Let A and b be two sets if A \subset B and A \neq B. Then A is a proper subset of B

-

 

 A set with n elements has 2^{n}-1 subsets

 


Option 1)

127

Option 2)

255

Option 3)

511

Option 4)

1023

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