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