How many MCQ questions are available for Matrices?

There are 80 MCQ questions available for Matrices (Class 12 Mathematics) — 35 easy, 32 medium, and 13 hard.

Matrices

Q: What topics are covered in Matrices?

Key concepts covered: Equality of matrices, Invertible matrices, Matrix addition and subtraction, Matrix multiplication, Order of a matrix, Scalar multiplication, Symmetric and skew-symmetric matrices, Transpose of a matrix, Types of matrices.

Class 12 · Mathematics

80 questions35 easy32 medium13 hard

Sample Questions

Q1.If A is a matrix of order m×n and B is of order n×p, then the order of (AB)' is:

Am×p
Bp×m
Cn×n
Dp×n

Q2.A matrix with only one row is called a:

AColumn matrix
BSquare matrix
CRow matrix
DDiagonal matrix

Q3.If A = [[2,3],[1,4]], then A – A' equals:

A[[0,2],[-2,0]]
B[[0,4],[4,0]]
C[[0,-2],[2,0]]
D[[0,0],[0,0]]

Q4.If A is a square matrix of order n, then AI = IA = ?

AO
BI
CA
DA²

Q5.A square matrix A is skew symmetric if:

AA = A'
BA + A' = I
CA = –A'
DA² = A

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

Equality of matricesInvertible matricesMatrix addition and subtractionMatrix multiplicationOrder of a matrixScalar multiplicationSymmetric and skew-symmetric matricesTranspose of a matrixTypes of matrices

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