If \( A \) and \( B \) are two sets such that \( n(A)=70, n(B)=60 \... VIDEO
If \( A \) and \( B \) are two sets such that \( n(A)=70, n(B)=60 \), and \( n(A \cup B)=110 \), then \( n(A \cap B) \) is equal to
\( \mathrm{P} \)
(a) 240
(b) 50
(c) 40
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