Given that n(p) = 19, m(P ∪ Q) = 38 and n(P \(\cap...
Given that n(p) = 19, m(P ∪ Q) = 38 and n(P ∩ Q) = 7, Find n(C)
26
31
36
50
Correct answer is A
n(P ∪ Q) = m(P ∩ C)
38 = 19 = n(C) - 7
n(C) = 38 - 12
= 26
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