KCET SERIES Mathematics
Determinants
23 previous year questions.
Volume: 23 Ques
Yield: High
High-Yield Trend
2
2022 2
2021 1
2020 1
2019 1
2017 1
2016 3
2015 3
2014 1
2013 1
2012 1
2010 2
2009 2
2007 1
2006 1
2005 Chapter Questions 23 MCQs
01
PYQ 2005
medium
mathematics ID: kcet-200
If and = then is equal to
1
80
2
100
3
-110
4
92
02
PYQ 2006
medium
mathematics ID: kcet-200
The value of = is equal to :
1
2
3
4
03
PYQ 2007
medium
mathematics ID: kcet-200
If and is the inverse of , then the value of is
1
0
2
2
3
4
4
5
04
PYQ 2007
medium
mathematics ID: kcet-200
If ,then is equal to
1
2
3
4
05
PYQ 2009
medium
mathematics ID: kcet-200
If | adj A|\) =
1
81
2
0
3
9
4
44570
06
PYQ 2009
medium
mathematics ID: kcet-200
If $\begin{vmatrix}
{1+\sin^2}&{\cos^2 \theta } &{4\sin 2\theta}\\
{\sin^2}&{1+\cos^2}& {4\sin2\theta} \\
{\sin^2\theta}&{\cos^2\theta}&{4\sin2\theta-1}\\
\end{vmatrix} =0 0< \theta
1
2
3
4
07
PYQ 2010
medium
mathematics ID: kcet-201
If is a nonsingular matrix and if , then = _______
1
2
3
4
08
PYQ 2012
medium
mathematics ID: kcet-201
The characteristic equation of a matrix is then is equal to
1
2
3
4
09
PYQ 2013
easy
mathematics ID: kcet-201
If the determinant of the adjoint of a (real) matrix of order is , then the determinant of the inverse of the matrix is
1
2
5
3
4
10
PYQ 2014
easy
mathematics ID: kcet-201
If is a matrix of order , such that , then =
1
2
3
4
11
PYQ 2014
easy
mathematics ID: kcet-201
The inverse of the matrix is
1
2
3
4
12
PYQ 2014
medium
mathematics ID: kcet-201
If and are in A.P., then the value of is
1
2
3
4
13
PYQ 2015
easy
mathematics ID: kcet-201
Evaluate
1
1
2
0
3
2
4
3
14
PYQ 2015
medium
mathematics ID: kcet-201
If then is equal to
1
2
3
4
15
PYQ 2015
medium
mathematics ID: kcet-201
If , then the area of the triangle whose vertices are is
1
2
3
4
16
PYQ 2016
medium
mathematics ID: kcet-201
If are not equal and 0, 1 the value of is equal to
1
2
3
4
17
PYQ 2017
medium
mathematics ID: kcet-201
If is a square matrix of order , then is equal to
1
2
3
4
18
PYQ 2019
medium
mathematics ID: kcet-201
If the value of a third order determinant is , then the value of the determinant formed by replacing each of its elements by its cofactor is
1
256
2
96
3
16
4
48
19
PYQ 2020
medium
mathematics ID: kcet-202
If A is a square matrix of order 3 and |A| = 5, then |A adj.A| is
1
5
2
125
3
25
4
625
20
PYQ 2021
medium
mathematics ID: kcet-202
If x3 - 2x2 - 9x + 18 = 0 and A = then the maximum value of A is
1
96
2
36
3
24
4
120
21
PYQ 2021
medium
mathematics ID: kcet-202
If A and B are matrices of order 3 and |A| = 5, |B| = 3 then |3AB| is
1
425
2
405
3
565
4
585
22
PYQ 2022
medium
mathematics ID: kcet-202
If there are two values of ‘a’ which makes determinant
Then the sum of these numbers
Then the sum of these numbers
1
-4
2
4
3
9
4
5
23
PYQ 2022
hard
mathematics ID: kcet-202
If An = then | A1 | + | A2 | + ….. + | A2021 | =
1
-2021
2
(2021)2
3
-(2021)2
4
4042
About Determinants - KCET
Determinants is a vital chapter for KCET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Determinants PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Determinants carry the most weight. Then, tackle the questions iteratively to solidify your understanding.