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If A={6,9,11}, B={}. Find A cup phi....

If A={6,9,11}, B={}. Find `A cup phi`.

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NCERT BANGLISH-SETS-Do This
  1. Some numbers are give below. Decide the numbers to which numbers sets ...

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  2. Some numbers are give below. Decide the numbers to which numbers sets ...

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  3. Some numbers are give below. Decide the numbers to which numbers sets ...

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  4. Some numbers are give below. Decide the numbers to which numbers sets ...

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  5. Some numbers are give below. Decide the numbers to which numbers sets ...

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  6. Some numbers are give below. Decide the numbers to which numbers sets ...

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  7. List the elements the following sets. (i) G={all the factors of 20} ...

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  8. Write the following sets in the roster form. (i) B is the set of all...

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  9. A is the set of factors of 12. Which one of the following is not a mem...

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  10. A={1,2,3,4}, B={2,4}, C={1,2,3,4,7}, F={}. Fill in the blanks with s...

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  11. State which of the following statement are true. (i) {}=phi (ii) phi...

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  12. Let A={1,3,7,8} and B={2,4,7,9}. Find A cap B

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  13. If A={6,9,11}, B={}. Find A cup phi.

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  14. A={1,2,3,4,5,6,7,8,9,10}, B={2,3,5,7}. Find A cap B

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  15. If A={4,5,6}, B={7,8} then show that A cup B =B cup A

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  16. If A={1,2,3,4,5} and B={4,5,6,7}, then find A-B and B-A. Are they equa...

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  17. If V={a,e,I,o,u} and B={a,I,k,u}. Find V-B and B-V.

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  18. Which of the following are empty sets? Justify your answer. (i) Set ...

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  19. State which of the following sets are finite and which are infinite. G...

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  20. Tick the set which is infinite (A) The set of whole numbers lt 10 (...

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