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If X' = Y then (X cap Y)' is equal to...

If X' = Y then `(X cap Y)'` is equal to

A

`phi`

B

X

C

U

D

Y

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • If X and Y are two subsets of the unitversal set U and X' denotes the complement of X, then X cup (X cap Y) is equal to

    A
    X
    B
    Y
    C
    `phi`
    D
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  • If Z {3, 4, 5, 6, 7,8, 9} X = {3, 4}, Y = {5, 6} and Z = {7, 8, 9} then Y' cap (X cap Z)' is equal to

    A
    `X cup Y`
    B
    `Y cup Z`
    C
    `(X cup Z)'`
    D
    `X' cap Y'`

  • If A={x:x is multiple of 2). B ={x: x is a multiple of 5} and C={x: x is a multiple of 10} then A cap (B cap C) is equal to

    A
    A
    B
    B
    C
    C
    D
    {x: x is a multiple of 100}

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