Phrases Matrices Previous Year Question Paper and Solution with PDF

Aspire's Library

A Place for Latest Exam wise Questions, Videos, Previous Year Papers,
Study Stuff for MCA Examinations

Phrases
Previous Year Questions

Phrases
Previous Year Questions
Phrases

Phrases Previous Year Questions (PYQs)

Phrases Matrices PYQ

Qus : 1

If A and B are square matrices such that

$B=-A^{-1} BA$ , then

$(A + B)^2$ is

1
2
3
4
Go to Discussion

Solution

Qus : 2

If A is an invertible skew-symmetric matrix, then

is a

1
2
3
4
Go to Discussion

Solution

Qus : 3

Consider the matrix

$B=\begin{pmatrix}{-1} & {-1} & {2} \\ {0} & {-1} & {-1} \\ {0} & {0} & {-1}\end{pmatrix}$ . The sum of all the entries of the matrix

$B^{19}$ is

1
2
3
4
Go to Discussion

Solution

Qus : 4

$F(\theta)=\begin{bmatrix}{\cos \theta} & {-\sin \theta} & {0} \\ {\sin \theta} & {\cos \theta} & {0} \\ {0} & {0} & {1}\end{bmatrix}$ , then

$F(\theta)F(\alpha)$ is equal to

1
2
3
4
Go to Discussion

Solution

Qus : 5

Let A and B be two square matrices of same order satisfying

$A^2+5A+5I =0$ and

$B^2+3B+I=0$ repectively. Where I is the identity matrix. Then the inverse of the matrix

$C= BA+2B+2A+4I$ is

1
2
3
4
Go to Discussion

Solution

Qus : 6

Find a matrix X such that 2A + B + X = 0, whose A =

and B =

1
2
3
4
Go to Discussion

Solution

Qus : 7

If x, y and z are three cube roots of 27, then the determinant of the matrix

$\begin{bmatrix}{x} & {y} & {z} \\ {y} & {z} & {x} \\ {z} & {x} & {y}\end{bmatrix}$ is

1
2
3
4
Go to Discussion

Solution

Qus : 8

and

, then f(A)=

1
2
3
4
Go to Discussion

Solution

Qus : 9

$A=\begin{bmatrix} a &b &c \\ b & c & a\\ c& a &b \end{bmatrix}$ , where

$a, b, c$ are real positive numbers such that

$abc = 1$ and

$A^{T}A=I$ then the equation that not holds true among the following is

1
2
3
4
Go to Discussion

Solution

Qus : 10

If the matrix $\begin{bmatrix} -1 &3 &2 \\ 1& K &-3 \\ 1&4 &5 \end{bmatrix}$ has an inverse matrix, then the value of K is:

1
2
3
4
Go to Discussion

Solution

Qus : 11

1
2
3
4
Go to Discussion

Solution

Qus : 12

$f(x)=\left\{\begin{matrix} \frac{sin[x]}{[x]} &, [x]\ne0 \\ 0 &, [x]=0 \end{matrix}\right.$ , where [x] is the largest integer but not larger than x, then

$\lim_{x\to0}f(x)$ is

1
2
3
4
Go to Discussion

Solution

Qus : 13

A matrix

$M_r$ is defined as

$M_r=\begin{bmatrix} r &r-1 \\ r-1&r \end{bmatrix} , r \in N$ then the value of

$det(M_1) + det(M_2) +...+ det(M_{2015})$ is

1
2
3
4
Go to Discussion

Solution

Phrases

Online Test Series,
Information About Examination,
Syllabus, Notification
and More.

Click Here to
View More

🎯 Crack NIMCET with Aspire Study

🔹 India's Most Trusted MCA Coaching
💻 Live + Recorded Classes | 👨‍🏫 Expert Faculty
📝 All India Test Series | 🎯 Personal Mentorship

🏆 Top NIMCET 2025 Results:
⭐ 27+ AIRs under 100
⭐ 48+ AIRs under 200

🥇 CUET PG MCA AIR 1: Ayush Garg
🥇 JMI MCA AIR 1: Khushi Kumari
🟦 KIITEE MCA: 100% Tile – Rishabh Singh
🟪 CET MAH MCA: 100% Tile – Ayush Garg

🥈 NIMCET AIR 2: Ayush Garg
🥈 VIT MCA AIR 2: Altmas Abbasi

🚀 Join Aspire Now

Phrases

Online Test Series,
Information About Examination,
Syllabus, Notification
and More.

Click Here to
View More

Ask Your Question or Put Your Review.

Feedback

Info.

Information

Aspire's Library

Phrases Previous Year Questions (PYQs)

Phrases Matrices PYQ

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Phrases

🎯 Crack NIMCET with Aspire Study

Phrases

Info.

Confirm Delete

Edit