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A is the set of factors of 12. Which one...

A is the set of factors of 12. Which one of the following is not a member of A.
(A) 1 (B) 4 (C) 5 (D) 12

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NCERT TAMIL-SETS-Do This
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  10. A={1,2,3,4}, B={2,4}, C={1,2,3,4,7}, F={}. Fill in the blanks with s...

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  13. If A={6,9,11}, B={}. Find A cup phi.

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  14. A={1,2,3,4,5,6,7,8,9,10}, B={2,3,5,7}. Find A cap B

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