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A and B are non-emptry sets, n(A) and n(...

A and B are non-emptry sets, `n(A)` and `n(B)` are two consective odd numbers whose average is 8 and`n(A nnB)` is a prime number.
The least possible value of `n(A uu B)` is `"______"`.

A

13

B

9

C

11

D

15

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The correct Answer is:
B
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