X and Y are two sets such that n(X)=33,n(Y)=42 and n(X∪Y)=70, then n

1.	X and Y are two sets such that n(X)=33,n(Y)=42 and n(X∪Y)=70, then n(X∩Y) is: *option a 145option b 5option c 10option d 0
Answer» ANSWER: Answer Correct OPTION is B 43 N(X∪Y)=n(X)+n(Y)−n(X∩Y) 76=45+n(Y)−12 n(Y)=43

X and Y are two sets such that n(X)=33,n(Y)=42 and n(X∪Y)=70, then n(X∩Y) is: *option a 145option b 5option c 10option d 0

Answer»

ANSWER:

Answer

Correct OPTION is

N(X∪Y)=n(X)+n(Y)−n(X∩Y)

76=45+n(Y)−12

n(Y)=43

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X and Y are two sets such that n(X)=33,n(Y)=42 and n(X∪Y)=70, then n(X∩Y) is: *option a 145option b 5option c 10option d 0​

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X and Y are two sets such that n(X)=33,n(Y)=42 and n(X∪Y)=70, then n(X∩Y) is: *option a 145option b 5option c 10option d 0