WBJEE SERIES Mathematics
Matrices
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
2
2023 1
2019 1
2016 1
2014 1
2013 1
2011 1
2008 Chapter Questions 8 MCQs
01
PYQ 2008
medium
mathematics ID: wbjee-20
If the matrix is commutative with the matrix , then
1
2
3
4
02
PYQ 2011
medium
mathematics ID: wbjee-20
If is a symmetric matrix, then the value of is
1
4
2
3
3
-4
4
-3
03
PYQ 2013
medium
mathematics ID: wbjee-20
Let and . Then is equal to
1
2
3
4
04
PYQ 2014
medium
mathematics ID: wbjee-20
Let be an integer, and is the identity matrix of order . Then
1
and
2
for any positive integer
3
is not invertible
4
for a positive integer
05
PYQ 2016
medium
mathematics ID: wbjee-20
If the matrix then where
1
2
3
4
06
PYQ 2019
medium
mathematics ID: wbjee-20
Let A be a square matrix of order 3 whose all entries are 1 and let be the identity matrix of order 3. Then the matrix is
1
invertible
2
orthogonal
3
non-invertible
4
real Skew Symmetric matrix
07
PYQ 2023
hard
mathematics ID: wbjee-20
Let A= , B= and P= be an orthogonal matrix such that B=PAP-1 holds. Then
1
x=1,y=0
2
x-1=y
3
x=0,y=1
4
x=-1,y=0
08
PYQ 2023
medium
mathematics ID: wbjee-20
If the matrix Mr is given by Mr= for r=1,2,3....then det(M1)+det(M2)+.......+det(M2008)=
1
2007
2
2008
3
(2008)2
4
(2007)2
About Matrices - WBJEE
Matrices is a vital chapter for WBJEE 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 Matrices 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 Matrices carry the most weight. Then, tackle the questions iteratively to solidify your understanding.