Question # 1

The order of a matrix is shown by:

Choose an answer

number of columns + number of rows

number of rows × number of columns

number of columns - number of rows

Choose an answer

If A is a square matrix, then:

Choose an answer

|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

Choose an answer

scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

If A is a square matrix, then A + A^t is:

Choose an answer

If A is a matrix of order m × n, then the number of elements in each row of A is:

Choose an answer

m

n

m + n

m - n

Choose an answer

singular

non-singular

rectangular

null

If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is:

Choose an answer

0

1

-1

none of these

Choose an answer

diagonal matrix

Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in:

Choose an answer

order

position

sign

symmetry

Choose an answer

1

-5

-1

none

[0] is a:

Choose an answer

The additive inverse of a matrix A is:

Choose an answer

A

A^-1

- A

A²

Choose an answer

9

-9

-6

none

If AB = BA = I, then A and B are:

Choose an answer

equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

If any two rows of a square matrix are interchanged, the determinant of the resulting matrix:

Choose an answer

is zero

is multiplicative inverse of the determinant of the original matrix

is additive inverse of the determinant the original matrix

none of these

Choose an answer

40

-40

26

-26

Choose an answer

5

14

20

6

Choose an answer

diagonal matrix

Choose an answer

zero

non-singular

singular

none of these

More Classes

Other Links

Mathematics FA Part 1 Chapter 3 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer