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Find the smallest set A such that Auu{1,...

Find the smallest set `A` such that `Auu{1,2}={1,2,3,5,9}dot`

A

`{1,3,9}`

B

`{9,3,5}`

C

`{2,9,5}`

D

none of these.

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The correct Answer is:
B
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
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  3. Find the smallest set A such that Auu{1,2}={1,2,3,5,9}dot

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  12. If A={1,2,3,4,5} andB={2,3,6,7}, then the number of elements in the se...

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  14. If A and B are any two sets then A-B=AnnB'

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  16. If A and B are two such that AcupB=AcapB, then

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  17. If X and Y are any two sets, then: Xcap(XcupY)=

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  18. If A and B are two disjoint subsets of a universal set U, then: (AcupB...

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  19. If X and Y are two sets, then X nn (Y uu X) equals

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