Let U= { 1,2,3,...,20}. Let A, B, C be the subsets of U. Let A be the set of all numbers, which are prefect squares, B be the set of all numbers which are multiples of 5 and C be the set of all numbers, which are divisible by 2 and 3. Q. Consider the following statements. I. A, B, C are mutually exclusive. II. A, B, C are mutually exhaustive. III. The number of elements in the complement set of AU B is 12. Q. Which of the statements given above the correct? A. I and II

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