The number of elements in power set {1,2,3) is:

The number of elements in power set {1,2,3) is:

  • (a) 5
  • (b) 6
  • (c) 7
  • (d) 8
Solution:
  • The given set is {1, 2, 3}
  • The number of elements in a set n is given by 2ⁿ in the power set.Here, n = 3
  • Therefore, the number of elements in the power set is given by: 2³ = 8
  • Hence, the answer is: 8
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Related MCQs:

 ‘NATO’ is an abbreviation of:

  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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