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If n (A) =3 ,n(3)=6 and A sube B .Then ...

If n (A) =3 ,n(3)=6 and `A sube B` .Then the number of elements in `A cup B` is equal to

A

3

B

6

C

9

D

18

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
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  3. If n (A) =3 ,n(3)=6 and A sube B .Then the number of elements in A cu...

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