Let A,B and C be sets such that phi ne n...

Let `A,B` and `C` be sets such that `phi ne nn B sube C`. Then which of the following statements is not true?

A

If `(A-C sube)B`, then `AsubeB`

B

`(CuuA)nn(CuuB)=C`

C

If `(A-B)subeC`, then `AsubeC`

D

`BnnC!=phi`

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The correct Answer is:

A

`A={1,2,3,4}`
`B={1,2,4}`
`C={1,2,3,4}` Not satisfying option 1

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