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A and B are two that n(A) gt n(B) . P(A)...

A and B are two that `n(A) gt n(B)` . P(A) and P(B) are power sets of A and B respectlively and the difference between cardinal numbers of `P(A)` and `P(B)` is a three digit prime number.
The number of elements in set B is `"______"`.

A

3

B

2

C

1

D

None of these

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The correct Answer is:
D
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