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IF A={3,6,9,12,15,18,21}, B={4,8,12,16,2...

IF A={3,6,9,12,15,18,21}, B={4,8,12,16,20}, then check whether `A cup B= B cup A` and A-B =B-A.

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The correct Answer is:
`A- B ne B-A`
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VGS PUBLICATION-BRILLIANT-SETS -OBSERVATION MATERIAL TO SOLVE VARIOUS QUESTION GIVEN IN THE PUBLIC EXAMINATION
  1. A={x:x in N, and x is a multiple of 4}, B={x:x in N , and x is a mul...

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  2. IF A={x:x in N, x lt 10}, B={x:x is a prime number and x lt 10}, then ...

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  3. Let A={x//x is an even number} B={x//x is an odd number} C={x//x is...

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  4. Let A={x//x is an even number} B={x//x is an odd number} C={x//x is...

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  5. Let A={x//x is an even number} B={x//x is an odd number} C={x//x is...

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  6. Let A={x//x is an even number} B={x//x is an odd number} C={x//x is...

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  7. IF A={1,2,3,4} and B={1,2,3,5,6} then find A cap B

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  8. IF A={1,2,3,4} and B={1,2,3,5,6} then find B cap A

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  9. IF A={1,2,3,4} and B={1,2,3,5,6} then find A-B

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  10. IF B={1,2,3,4,5,6} and C={3,5,6} then find B-C.

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  11. IF A={x:x is a natural number}, B={x:x is an even natural number}, ...

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  12. IF A={3,6,9,12,15,18,21}, B={4,8,12,16,20}, then check whether A cup B...

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  13. F A={x:x is a natural number}, B={x:x is an even number}, C={x:x ...

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  14. From the following Venn diagram. Write the elements of the sets of A a...

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  15. Using the Venn. Diagram verify n(AcupB)=n(A)+n(B)-n(A capB)

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  16. A={x:x is a perfect square, xlt 50, x in N} B={x:x =8m+1, where min ...

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  17. IF A={x:x is a natural number less than is 6} B={x:x is a prime numb...

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  18. IF A={x:x is a natural number less than is 6} B={x:x is a prime numb...

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  19. IF A={x:x is a natural number less than is 6} B={x:x is a prime numb...

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  20. IF A={x:x is a natural number less than is 6} B={x:x is a prime numb...

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