Sets · Class 11 · CBSE · Science Mathematics

If A = {1, 2, 3}, how many subsets does A have?

Practice question from Sets (Class 11 · CBSE · Science Mathematics), with the correct answer and a step-by-step solution.

easy · MCQ · Q-453578

If A = {1, 2, 3}, how many subsets does A have?

  1. A.3
  2. B.6
  3. C.8Correct answer
  4. D.9

Solution

A set with nn elements has 2n2^n subsets. Here, n=3n=3, so the number of subsets is 23=82^3=8.

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