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    				| 1. | For all p, such that `1leple100,n(A_(p))=p+1` and `A_(1)subA_(2)sub. . .. .subA_(100)`. Then `underset(p=1)overset(100)(U)A_(p)` contains. _______elementsA. 99B. 100C. 101D. 102 | 
| Answer» Correct Answer - C (i) Recall the definition of union of sets and subsets. (ii) If `AsubB`, then `A cupB=B`. (iii) `underset(n=1)overset(100)(U)A_(n)=A_(100)`. (iv) Now evalute `n(A_(100))` by using the given condition. | |