CBSE Class 12 Determinants Multiple Choice Questions with Answers. MCQ Questions Class 12 Determinants with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Determinants with Answers to know their preparation level.
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MCQ Questions Class 12 Determinants with Answers - Set - 3
Question 2:
Evaluate the determinant Δ = 
(a) 15/2
(b) 12
(c) 14/3
(d) 6
Correct Answer – (A)
Question 3:
The value of the determinant 
is
(a) 9x² (x + y)
(b) 9y² (x + y)
(c) 3y² (x + y)
(d) 7x² (x + y)
Correct Answer – (B)
Question 4:
If A and B are invertible matrices, then which of the following is not correct?
(a) adj A = |A|.A-1
(b) det (a)-1 = [det (a)]-1
(c) (AB)-1 = B-1A-1
(d) (A + B)-1 = B-1 + A-1
Correct Answer – (D)
Question 5:
If f(x) = 
then
(a) f(a) = 0
(b) f(b) = 0
(c) f(0) = 0
(d) f(1) = 0
Correct Answer – (C)
MCQ Questions Class 12 Determinants With Answers
Question 7:
There are two values of a which makes determinant
Δ = 
= 86, then sum of these number is
(a) 4
(b) 5
(c) -4
(d) 9
Correct Answer – (C)
Question 8:
If x, y, z are all different from zero and 
= 0, then value of x-1 + y-1 + z-1 is
(a) xyz
(b) x-1y-1z-1
(c) -x – y – z
(d) -1
Correct Answer – (D)
Question 9:
If A = 
then A-1 exists if
(a) λ = 2
(b) λ ≠ 2
(c) λ ≠ -2
(d) None of these
Correct Answer – (D)
Question 10:
The maximum value of 
is (θ is real number)
(a) 1/2
(b) √3/2
(c) 2√3/4
(d) √2
Correct Answer – (A)
- NCERT Solutions Class 11 Chemistry Chapter 1 : Some Basic Concepts of Chemistry
- NCERT Solutions Class 11 Chemistry Chapter 2 : Structure Of The Atom
- NCERT Solutions Class 11 Chemistry Chapter 3 : Classification of Elements and Periodicity in Properties
- NCERT Solutions Class 11 Chemistry Chapter 4 : Chemical Bonding and Molecular Structure
- NCERT Solutions Class 11 Chemistry Chapter 5 : States of Matter
- NCERT Solutions Class 11 Chemistry Chapter 6 : Thermodynamics
- NCERT Solutions Class 11 Chemistry Chapter 7 : Equilibrium
- NCERT Solutions Class 11 Chemistry Chapter 8 : Redox Reactions
- NCERT Solutions Class 11 Chemistry Chapter 9 : Hydrogen
- NCERT Solutions Class 11 Chemistry Chapter 10 : The s-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 11 : The p-Block Elements
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