If \( n(A \cap B)=10, n(B \cap C)=20 \) and \( n(A \cap C)= \) 30 , then find the greatest possi... VIDEO
If \( n(A \cap B)=10, n(B \cap C)=20 \) and \( n(A \cap C)= \) 30 , then find the greatest possible value of \( n(A \cap \) \( B \cap C) \).
(a) 15
(b) 20
(c) 10
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