8. Let R={ Natural numbers less than 20}, S={ Odd numbers less
than 10} and T={ Multiples of 3 less than 20} are any three
sets.
a. List the elements of sets R, S and T. Identify the
Universal set and it's subsets.
b. Are the subsets proper or improper? Give reason
C.
Combine the elements of S and T and show in Venn-
diagram along with the Universal set R.
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