Easy MCQ +4 / -1

The total number of relations from a set with m elements to a set with n elements is:

  1. A m × n
  2. B 2^(m×n) Correct answer
  3. C m^n
  4. D n^m

Solution

Each of the m×n possible ordered pairs can either be in R or not — 2 choices each → total 2^(m×n) relations.

About this question

Subject: Mathematics · Chapter: Sets, Relations and Functions · Topic: Relations

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