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(i)If n(A)=25, n(B)=40, n(A cup B)=50 an...

(i)If n(A)=25, n(B)=40, `n(A cup B)=50 and n(B')=25," find "n(A cap B) and n(U)`.
(ii) If `n(A)=300, n(A cup B)=500, n(A cap B)=50 and n (B')=350`, find `n(B) and n(U)`.

Answer

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Explore conceptually related problems

If n(A) = 25, n(B) = 40, n(AcupB)=50 and n(B') = 25, find n(AcapB) and n(U).

If n(A) = 300, n(AcupB)=500,n(AcapB)=50 and n(B') = 350, find n(B) and n(U).

Knowledge Check

  • If n(A)=1000, n(B)=500 and if n(A cap B) ge 1 and n(A cup B)=p, then

    A
    `500leple1000`
    B
    `1001leple1498`
    C
    `1000leple1498`
    D
    `1000leple1499`

  • If n(U)=70, n(A)=25, n(B)=30, n(A cap B)=5," then "n(A cup B)' is..........

    A
    5
    B
    10
    C
    15
    D
    20

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