Zaymiey

📐 Mathematics  ·  Relations and Functions  ·  JEE

The number of relations from A = {1,2} to B = {a,b,c} is:

Answer: 64.

  • A 6
  • B 8
  • C 64
  • D 36

Correct answer: C. 64

Explanation: A x B has 2 x 3 = 6 elements. Number of relations = subsets of A x B = 2<sup>6</sup> = 64.

Concept context

Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.

Read the full Relations and Functions notes →