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If A={1,2,3}a n d\ B={1,3,5,7},\ t h e n...

If `A={1,2,3}a n d\ B={1,3,5,7},\ t h e n\ AuuB= {1,2,3,5,7}` .

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RD SHARMA ENGLISH-SETS-All Questions
  1. Write down all possible proper subsets each of the following set: {1}

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  2. How many elements has (A),\ if\ A=varphi?

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  3. If A={1,2,3}a n d\ B={1,3,5,7},\ t h e n\ AuuB= {1,2,3,5,7} .

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  4. If A={x : x=2n+1,\ n in Z}\ a n d\ B={x : x=2n ,\ n in Z} , then Auu...

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  5. Let A={1,2,3},\ B={5,6},\ C={4,7,8} . Then AuuBuuC={1,2,3,4,5,6,7,8}

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  6. If A={1,2,3,4,5}a n d\ B={1,3,9, 12} then AnnB={1,3}dot

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  7. If A={1,2,3,4,5,6,7,8}\ a n d\ B={1,3,5,6,7,8,9},\ t h e n\ A-B={2,4},...

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  8. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  9. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  10. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  11. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  12. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  13. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  14. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  15. If A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11...

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  16. Let A={x : x in N},\ B={x ; x=2n ,\ n in N},\ C={x : x=2n-1, n in N...

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  17. Let A={x : x in N},\ B={x ; x2n ,\ n in N},\ C={x : x=2n-1, n in N}...

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  18. LetA={x : x in N},\ B={x ; x=2n ,\ n in N},\ a n d ,\ D={x : x is a ...

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  19. Let A={x : x in N},\ B={x ; x=2n ,\ n in N},\ C={x : x=2n-1, n in N...

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  20. Let A={x : x in N},\ B={x ; x=2n ,\ n in N},\ C={x : x=2n-1, n in N...

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