If A and B are two sets such that n A -70- n B -60- n A - B -110- then n A - B is equal toa 240b 50c 40d 20

(d) 20 We have: n(A #8745;B) #160;= #160;nA #160;+ #160;nB #160; #160;n(A #8746;B) #160; #160; #160; #160; #160; #160; #160; #1 ...

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If A and B ar...

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If A and B are two sets such that $n (A) = 70, n (B) = 60, n (A \cup B) = 110$ , then $n (A \cap B)$ is equal to
(a) 240
(b) 50
(c) 40
(d) 20

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If A and B are two sets such that n(A) = 70, n(B) = 60, $n (A \cup B)$ = 110, then $n (A \cap B)$ is equal to

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