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If A = \left \{ x:x =4n+1, 2\leq n\leq 5 \right \} then number of subset of A is 

  • Option 1)

    16

  • Option 2)

    15

  • Option 3)

    4

  • Option 4)

    None of these. 

 

Answers (1)

best_answer

As we learnt in 

SUBSETS -

A set A is said to be a subset of a set B if every element of A is also an element of B.

- wherein

It is represented by \subset. eg. A \subset B if A={2,4} and B= {1,2,3,4,5}

 

 Since number of elements of A=4

Number of subsets =2^{4}= 16


Option 1)

16

Correct

Option 2)

15

Incorrect

Option 3)

4

Incorrect

Option 4)

None of these. 

Incorrect

Posted by

Aadil

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