If n (A ⋂ B) = 10, n (B ⋂ C) = 20 and n (A ⋂ C) = 30, then
the greatest possible value of n (A ⋂ B ⋂ C) is
(a) 15 (b) 20 (c) 10 (d) 4
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Answered by
4
the greatest possible value of n(anbnc) is 10
Answered by
6
from the explanation given above, clearly the answer is 10.
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