Class 12th Mathematics Relations and Functions MCQ mock test quiz

Report a question

12th Math: Relations and Functions

1 / 10

1. (a₁, a₂) ∈R implies that (a₂, a₁) ∈ R, for all a₁, a₂∈A. This condition is for which of the following relations?

Equivalence relation

Reflexive relation

Symmetric relation

Universal relation

Report Question Answer

2 / 10

2. Let ‘*’ be defined on the set N. Which of the following are both commutative and associative?

a*b=a+b

a*b=a-b

a*b=ab2

a*b=ab

Report Question Answer

3 / 10

3. (a,a) ∈ R, for every a ∈ A. This condition is for which of the following relations?

Reflexive relation

Symmetric relation

Equivalence relation

Transitive relation

Report Question Answer

4 / 10

4. A function f:N→N is defined by f(x)=x²+12. What is the type of function here?

bijective

surjective

injective

neither surjective nor injective

Report Question Answer

5 / 10

5. Let ‘*’ be a binary operation defined by a*b=4ab. Find (a*b)*a.

4a2 b

16a2 b

16ab2

4ab2

Report Question Answer

6 / 10

6. A function f:R→R is defined by f(x)=5x³-8. The type of function is -----

one -one

onto

many-one

both one-one and onto

Report Question Answer

7 / 10

7. Let a binary operation ‘*’ be defined on a set A. The operation will be commutative if -----

a*b=b*a

(a*b)*c=a*(b*c)

(b ? c)*a=(b*a) ? (c*a)

a*b=a

Report Question Answer

8 / 10

8. Let M={7,8,9}. Determine which of the following functions is invertible for f:M→M.

f = {(7,7),(8,8),(9,9)}

f = {(7,8),(7,9),(8,9)}

f = {(8,8),(8,7),(9,8)}

f = {(9,7),(9,8),(9,9)}

Report Question Answer

9 / 10

9. Let R be a relation in the set N given by R={(a,b): a+b=5, b>1}. Which of the following will satisfy the given relation?

(2,3) ∈ R

(4,2) ∈ R

(2,1) ∈ R

(5,0) ∈ R

Report Question Answer

10 / 10

10. Which of the following is not a type of binary operation?

Transitive

Commutative

Associative

Distributive

Report Question Answer

Insert Full Name and email for result

Full NameEmail

Your score is

Class 12th Mathematics Relations and Functions MCQ mock test quiz

Chapter 01 Relations and Functions

Quiz Score Card

Try other chapters mcq quiz of 12th class math

Quiz Ranker