📐 Mathematics · Relations and Functions · JEE

The number of one-one functions from a 3-element set to a 4-element set is:

Answer: 24.

Correct answer: B. 24

Explanation: 4 · 3 · 2 = 24.

Concept context

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