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Ashwini Asked a Question February 4, 2021 5:39 pm
30 pts Suppose A,, Az, A , Ago are thirty sets each having 5 elements and B,, B, B B are n sets 30 each with 3 elements. Let JA, =UB, = S and each elements of S belongs to exactly 10 of the j=1 i=1 A, S and exactly 9 of the B, S. Then, n is equal to-
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