# Maths Quiz for Class 12

Students can practice the given Maths Quiz for Class 12 to improve their performance in the exam. Check important and selected Grade 12th Maths Questions and Answers that are available in the form of Multiple Choice Questions (MCQs). The given Maths Practice Test for Class 12 will be proved helpful for the students, as the questions given here covers up all the chapters of mathematics subject.

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Chapter wise questions given in Maths Quiz for Class 12 is as per the latest pattern and it will be helpful for students, as they will know what types of questions are asked in the exam. Solve out the given Class 12 Maths MCQ and know your performance level before going for the board examination.

## Maths Quiz for Class 12

Answers for these questions are available at the end.

Maths Quiz Questions with answers for Class 12 are given here.

Question 1) Given set A={1, 2, 3} and a relation R = {(1, 2), (2, 1)}, the relation R will be

(a) reflexive if (1, 1) is added

(b) symmetric if (2, 3) is added

(c) transitive if (1, 1) is added

(d) symmetric if (3, 2) is added

Question 2) Set A has 3 elements and the set B has 4 elements. Then the number of injective functions that can be defined from set A to set B is
(a) 144
(b) 12
(c) 24
(d) 64

Question 3) A relation S in the set of real numbers is defined as xSy ⇒  x – y+ √3 is an irrational number, then relation S is
(a) reflexive
(b) reflexive and symmetric
(c) transitive
(d) symmetric and transitive

Question 4) Let R be a relation on the set L of lines defined by l1 R l2 if l1 is perpendicular to l2, then relation R is
(a) reflexive and symmetric
(b) symmetric and transitive
(c) equivalence relation
(d) symmetric

Question 5) Total number of possible matrices of order 2 × 3 with each entry 1 or 0 is
(a) 6
(b) 36
(c) 32
(d) 64

Question 6) If matrices A and B are inverse of each other than
(a) AB = BA
(b) AB = BA = I
(c) AB = BA = 0
(d) AB = 0, BA = I

Question 7) Let A be a square matrix of order 2 × 2, then |KA| is equal to
(a) K|A|
(b) K²|A|
(c) K3|A|
(d) 2K|A|

Question 8) A and B are invertible matrices of the same order such that |(AB)-1| = 8, If |A| = 2, then |B| is

(a) 16

(b) 4

(c) 6

(d) 1/16

Question 9) A function /is said to be continuous for x ∈ R, if
(a) it is continuous at x = 0
(b) differentiable at x = 0
(c) continuous at two points
(d) differentiable for x ∈ R

Question 10) Derivative of cot x° with respect to x is
(a) cosec x°
(b) cosec x° cot x°
(c) -1° cosec2 x°
(d) -1° cosec x° cot x°

Question 11) The total revenue in ₹ received from the sale of x units of an article is given by R(x) = 3x² + 36x + 5. The marginal revenue when x = 15 is (in ₹ )
(a) 126
(b) 116
(c) 96
(d) 90

Question 12) The point(s) on the curve y = x², at which y-coordinate is changing six times as fast as x-coordinate is/are
(a) (2, 4)
(b) (3, 9)
(c) (3, 9), (9, 3)
(d) (6, 2)

Question 13) ∫cot²x dx equals to
(a) cot x – x + C
(b) cot x + x + C
(c) -cot x + x + C
(d) -cot x – x + C

Question 14) If ∫ sec²(7 – 4x)dx = a tan (7 – 4x) + C, then value of a is
(a) 7
(b) -4
(c) 3
(d) −1/4

Question 15) Area of the region bounded by the curve x = 2y + 3, the y-axis and between y = -1 and y = 1 is
(a) 4 sq units 3
(b) 3/2 sq units
(c) 6 sq units
(d) 8 sq units

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Question 16) Area bounded by the curve y = sin x and the x-axis between x = 0 and x = 2π is
(a) 2 sq units
(b) 0 sq units
(c) 3 sq units
(d) 4 sq units

Question 17) The order of the differential equation of all the circles of given radius 4 is
(a) 1
(b)2
(c) 3
(d) 4

Question 18) The differential equation of the family of lines passing through ongrn is
(a) y = mx
(b) dy/dx = m
(c) x dy – y dx = 0
(d) dy/dx = 0

Question 19) Given set A = {a, b, c). An identity relation in set A is
(a) R = {(a, b), (a, c)}
(b) R = {(a, a), (b, b), (c, c)}
(c) R = {(a, a), (b, b), (c, c), (a, c)}
(d) R= {(c, a), (b, a), (a, a)}

Question 20) The distance of point (2, 5, 7) from the x-axis is
(a) 2
(b) √74
(c) √29
(d) √53

Want to Know? How to Prepare For Maths Exam

Question 21) A line makes angle α, β, γ with x-axis, y-axis and z-axis respectively then cos 2α + cos 2β + cos 2γ is equal to
(a) 2
(b) 1
(c) -2
(d) -1

Question 22) If the direction cosines of a line are k/3,k/3,k/3, then value of k is
(a) k > 0
(b) 0 < k < 1.
(c) k = 13
(d) k = ± 73

Question 23) Feasible region is the set of points which satisfy
(a) the objective functions
(b) some of the given constraints
(c) all of the given constraints
(d) none of these

Question 24) Three balls are drawn from a bag containing 2 red and 5 black balls, if the random variable X represents the number of red balls drawn, then X can take values
(a) 0, 1, 2
(b) 0, 1, 2, 3
(c) 0
(d) 1, 2

Also Check Out: List Of Important Maths Formulas

Question 25) Let A and B be two given independent events such that P(A) =p and P(B) = q and P(exactly one of A, B) = 2/3, then value of 3p + 3q – 6pq is
(a) 2
(b) -2
(c) 4
(d) -4

Maths Quiz for Class 12 with Answers:

 Ans 1) (c) Ans 10) (c) Ans 19) (b) Ans 2) (c) Ans 11) (a) Ans 20) (b) Ans 3) (a) Ans 12) (b) Ans 21) (d) Ans 4) (d) Ans 13) (d) Ans 22) (d) Ans 5) (d) Ans 14) (d) Ans 23) (c) Ans 6) (b) Ans 15) (c) Ans 24) (a) Ans 7) (b) Ans 16) (d) Ans 25) (a) Ans 8) (d) Ans 17) (b) Ans 9) (d) Ans 18) (c)

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