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If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C...

If `A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, 8, 9, 10 }`, find
`A ∪ B ∪ D`

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The correct Answer is:
`{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}`
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NCERT BANGLISH-SETS-EXERCISE 1.4
  1. If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, ...

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  2. If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, ...

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  3. If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, ...

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  4. If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, ...

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  5. Find the intersection of each pair of sets of question 1 above.

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  6. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and ...

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  7. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and ...

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  8. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  9. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  10. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  11. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  12. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  13. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  14. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  15. If A = { 3, 5, 7, 9, 11 }, B = {7, 9, 11, 13}, C = {11, 13, 15} and D ...

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  16. If A = {x : x is a natural number }, B = {x : x is an even natural nu...

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  17. If A = {x : x is a natural number }, B = {x : x is an even natural nu...

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  18. If A = {x : x is a natural number }, B = {x : x is an even natural nu...

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  19. If A = {x : x is a natural number }, B = {x : x is an even natural nu...

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  20. If A = {x : x is a natural number }, B = {x : x is an even natural nu...

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