# Relations and Functions MCQ Questions And Answers - Mathematics Class 11

Relations and Functions MCQs : This section focuses on the "Relations and Functions" in Mathematics Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Mathematics Class 11 skills required for various exams, interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

The ________ shows the relationship between INPUT and OUTPUT.

A. function
B. relation
C. sets
D. All of the above

Question 2

________ is a collection of the first values in the ordered pair.

A. Range
B. Union
C. Set
D. Domain

Question 3

How many types of functions?

A. 2
B. 3
C. 4
D. 5

Question 4

If every element of set A is related to itself only, it is called ______________.

A. Universal relation
B. Empty relation
C. Inverse relation
D. Identity relation

Question 5

What type of a relation is R = {(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} on the set A – {1, 2, 3, 4}

A. Reflexive
B. Transitive
C. Symmetric
D. None of the above

Question 6

If A = (1, 2, 3}, B = {6, 7, 8} is a function such that f(x) = x + 5 then what type of a function is?

A. Many-one onto
B. one-one onto
C. Constant function
D. into

Question 7

A function is a relation which derives one OUTPUT for each given INPUT.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 8

If a relation is reflexive, symmetric and transitive, then the relation is called an?

A. Equivalence
B. Inverse
C. Universal
D. None of the above

Question 9

A relation is a ____________ if every element of set A maps to itself

A. symmetric relation
B. transitive realtion
C. reflexive relation
D. equivalence relation