If P X Q is an empty set then which of the following is a null set?

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Question:
If P X Q is an empty set then which of the following is a null set?

1.only P

2.only Q

3.either P or Q

4.both P and Q

Posted Date:-2022-05-15 07:42:40

More MCQS Questions and answers

  1. (A∪B) ∩ (B∪A) = __________
  2. If A X B = {(1, a), (1, b), (1, c), (2, a), (2, b), (2, c)} then find set A.
  3. If C = {1} then C X (C X C) = (C X C) X C the given statement is true or false.
  4. (A∩B) ∪ (B∩A) = ______________
  5. A={0} and B={}. Are sets A and B are equal?
  6. A={1,2,3}, B={2,3,4}, C={2,3,5}, D={1,3,5,7}. Find (A∪B) ∩ (C∪D).
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  8. Finite set ______________ empty set.
  9. If (a, b) = (x, y) then___________
  10. If (x+2, y-3) = (5,7) then find values of x and y.
  11. If A = {1,10,15,17} and B = {1,5,7,8} then which of the following is the correct statement about A and B?
  12. If A = {1,2,3,4,6} and B = {2,3,4} then which one of the following is correct?
  13. If A = {1,2} and B = {1,2,4,8,10} then?
  14. If A = {1,3} and B = {1,2,5} then?
  15. If A = {2,4} then subsets of A are ___________
  16. If A ⊆ B then A X C ⊆ B X C the given statement is true or false.
  17. If A is a set of whole numbers and B is a set of Natural Numbers then choose the correct option.
  18. If A is set of natural numbers, B is set of odd natural numbers and C is set of even natural numbers, then find A-B.
  19. If A is set of natural numbers, B is set of odd natural numbers and C is set of even natural numbers, then find B∩C.
  20. If A is set of natural numbers, B is set of odd natural numbers and C is set of even natural numbers, then find B∪C.
  21. If A X B = {(1, a), (1, b), (1, c), (2, a), (2, b), (2, c)} then find set B.
  22. If A⊆B and B⊆A then A=B.
  23. If A⊆B then what is A ∪B, where A and B are two sets?
  24. If A⊆B then what is A∩B, where A and B are two sets?
  25. If n(A X B) = n(B X A) = 36 then which of the following may hold true?
  26. If P = Q then P X Q = Q X P is true or not?
  27. If P X Q has 10 elements then which is not possible?
  28. If P X Q is an empty set then which of the following is a null set?
  29. If set A has 2 elements and set B has 3 elements then how many subsets does A X B have?
  30. If set A has 4 elements and B has 3 elements then set n(A X B) is?
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  32. Is (a, b) = (b, a)?
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