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Which of the following pairs of sets are...

Which of the following pairs of sets are equal? Justify your answer.
(i) X, the set of letters in “ALLOY” and B, the set of letters in “LOYAL”.
(ii) `A = {n : n ∈ Z and n^(2) ≤ 4} and B = {x : x ∈ R and x^(2) – 3x + 2 = 0}`.

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The correct Answer is:
B
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NCERT GUJARATI-SETS-MISCELLANEOUS EXERCISE ON CHAPTER 1
  1. Which of the following pairs of sets are equal? Justify your answer. ...

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  2. Decide, among the following sets, which sets are subsets of one and a...

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  3. In each of the following, determine whether the statement is true or f...

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  4. In each of the following, determine whether the statement is true or f...

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  5. In each of the following, determine whether the statement is true or f...

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  6. In each of the following, determine whether the statement is true or f...

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  7. In each of the following, determine whether the statement is true or f...

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  8. In each of the following, determine whether the statement is true or f...

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  9. Let A, B, and C be the sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C....

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  10. Show that if A ⊂ B, then C – B ⊂ C – A.

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  11. Assume that P ( A ) = P ( B ). Show that A = B

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  12. Is it true that for any sets A and B, P ( A ) ∪ P ( B ) = P ( A ∪ B )?...

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  13. Show that for any sets A and B, A = ( A ∩ B ) ∪ ( A – B ) and A ∪ ...

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  14. Using properties of sets, show that A ∪ ( A ∩ B ) = A

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  15. Using properties of sets, show that A ∩ ( A ∪ B ) = A.

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  16. Show that A ∩ B = A ∩ C need not imply B = C.

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  17. Let A and B be sets. If A ∩ X = B ∩ X = φ and A ∪ X = B ∪ X for some s...

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  18. Find sets A, B and C such that A ∩ B, B ∩ C and A ∩ C are non-empty s...

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  19. In a survey of 600 students in a school, 150 students were found to be...

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  20. In a group of students, 100 students know Hindi, 50 know English and 2...

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  21. In a survey of 60 people, it was found that 25 people read newspaper H...

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