Let A={1,2,{1},{1,2},3,4}, then which of...

Let A={1,2,{1},{1,2},3,4}, then which of the following is true?

A

`{3} in A`

B

`{1,3} in A`

C

`{1,2} in A`

D

None

Verified by Experts

The correct Answer is:

C

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