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For all p, such that 1 leple100, if n(A(...

For all p, such that `1 leple100`, if `n(A_(p))`=p+2 and `A_(1)subA_(2)subA_(3)sub. . . .subA_(100)` and `underset(p=3)overset(100)(cap)A_(p)=A`, then n(A)=

A

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The correct Answer is:
C
(i) When `A_(1)subA_(2)sub. . . . subA_(n)` then `underset(i=1)overset(n)(cap)A_(i)=A_(1)`
(ii) If `A sub B`, then `A cap B=A`
(iv) Find `n(A_(3))` by using `m(A_(P))=p+2`.
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