Challenge your friends

Try this Chapter 3 Class 12 Matrices quiz on Teachoo. Can you beat me?

WhatsApp Telegram

See class leaderboard →
Teachoo Quiz

Maths Matrices Class 12 MCQ and Assertion Questions

Short Quiz · Class 12 · Maths · CBSE

Preparing for CBSE

Class leaderboard →

Chapter 3 Class 12 Matrices | 5 questions | about 4 minutes

Practise Matrices Class 12 with Teachoo's Short Quiz (Class 12 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

Attempt time 0:00
This question 0:00
Question 1 of 5
Advertisement
Question 1 of 5
CBSE Board Exam 2025
Four friends Abhay, Bina, Chhaya and Devesh were asked to simplify \(4 \mathrm{AB}+3(\mathrm{AB}+\mathrm{BA})-4 \mathrm{BA}\), where A and B are both matrices of order \(2 \times 2\). It is known that \(A \neq B \neq I\) and \(A^{-1} \neq B\).
Their answers are given as :
Abhay : 6 AB
Bina : \(7 \mathrm{AB}-\mathrm{BA}\)
Chhaya: 8 AB
Devesh : 7 BA - AB
Who answered it correctly?
Select an option to see the answer, or skip this question.
Question 2 of 5
CBSE Board Exam 2026
If a matrix B is such that \(\mathrm{B}\left[\begin{array}{lll}1 & 2 & 3\end{array}\right]=\left[\begin{array}{lll}1 & 2 & 3 \\ 0 & 1 & 1 \\ 2 & 0 & 1\end{array}\right]\), then the order of matrix B is :
Select an option to see the answer, or skip this question.
Question 3 of 5
CBSE Board Exam 2024
If \(A=\left[a_{i j}\right]\) is an identity matrix, then which of the following is true ?
Select an option to see the answer, or skip this question.
Question 4 of 5
CBSE Board Exam 2025
Assertion (A) : A=diag [ \(\begin{array}{lll}3 & 5 & 2\end{array}\) is a scalar matrix of order \(3 \times 3\).
Reason (R) : If a diagonal matrix has all non-zero elements equal, it is known as a scalar matrix.
Select an option to see the answer, or skip this question.
Question 5 of 5
CBSE Board Exam 2026
If a square matrix A is such that \(\mathrm{A}^{2}=\mathrm{A}\) and \((\mathrm{I}-\mathrm{A})^{3}=\mathrm{xA}+\mathrm{I}\), then value of \(x\) must be :
Select an option to see the answer, or skip this question.
Stuck? Keep your progress moving.

Frequently asked questions

Who is this Matrices Class 12 quiz for?

This Short Quiz covers Matrices Class 12 for Class 12 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

Is this quiz free?

Yes. This online quiz is free to attempt. Teachoo Black is not required to take the quiz.

How many questions will I get?

The current selection contains 5 questions. The questions and count can vary with the available question bank and grouped questions.

Can I check my answers and score?

Yes. In quiz mode, check your answer to receive feedback. Submit the quiz to review your score and answers. Full Teachoo solution links are shown where available.

Will I get the same questions when I retry?

Questions can change between attempts. Teachoo uses your previous practice when available to prioritise new questions and revision; a completely new set is not guaranteed.

Practice · Matrices Class 12