A) 40
B) 50
C) 60
D) 80
Correct Answer: C
Solution :
[c] \[\because \]Let A = set of Hindi speaking people B = Set of English speaking people Given, \[n\left( A \right)=50,n\left( B \right)=20\] \[n\left( A\cap B \right)=10\] \[\therefore n\left( A\cup B \right)\] \[=n\left( A \right)+n\left( B \right)-n\left( A\cap B \right)=50+20-10=60\]Hence, option [c] is correctYou need to login to perform this action.
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