# NCERT Class 12/MCQ Questions for Class 12 Maths Chapter 1 Relations and Functions MCQs :- multiple choice questions and answers. e.g NCERT Class 12 MCQS,NCERT Class 12 Mock Tests , NCERT Class 12 Practice Papers ,NCERT Class 12 Sample Test,NCERT Class 12 Sample questions

## Question 1: If f(x1) = f (x2) ⇒ x1 = x2 ∀ x1 x2 ∈ A then the function f: A → B is

one-one

one-one onto

onto

many one

Total MCQS Questions are 53 in this paper MCQ Questions for Class 12 Maths Chapter 1 Relations and Functions
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