Question

please answer to get brainliest
Let n(U)=90,n(A)=50,n(B)=30,n(A∪B)=70 then find the correct statement 

see the picture​

Answer 1

Answer:

Correct option is

C

300

Ans. (c).n(A∩B)=n(A∪B)

=n(u)−n(A∪B)

=n(u)−{n(A)+n(B)−n(A∩B)}

=700−{200+300−100}=

Answer 2

Answer:

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