Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:
Let \(X\) be a finite set and \(f: X\rightarrow X\) be a function. Which of the following is not true about \(f\).
Options:
If \(f\) is one-one then \(f\) is onto.
If \(f\) is onto then \(f\) is one-one.
\(Img(f)\) is a finite set
\(f\) is a bijective function
Correct Answer:
\(f\) is a bijective function
Explanation:
\(X\) is finite.