A) 80 percent
B) 40 percent
C) 60 percent
D) 70 percent
Correct Answer: C
Solution :
n = 20, n = 50, n(C Ç B) = 10 Now n(C È B) = n + n - n(C Ç B) = 20 + 50 - 10 = 60. Hence, required number of persons = 60%.You need to login to perform this action.
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