Question # 1

A matrix of order m×1 is called:

Choose an answer

row matrix

column matrix

identity matrix

scalar matrix

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

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

Two matrices X and Y are equal if and only if:

Choose an answer

X and Y are of same order

Their corresponding elements are equal

Both a and b

None of these

Choose an answer

zero

non-singular

singular

none of these

The additive inverse of a matrix A is:

Choose an answer

A

A^-1

- A

A²

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

Choose an answer

[0] is a:

Choose an answer

3×3

3×2

2×1

2×3

Choose an answer

1

-5

-1

none

If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is:

Choose an answer

0

1

-1

±1

Choose an answer

scalar matrix

diagonalmatrix

triangularmatrix

none of these

If the matrices A & B have the orders 2×3 and 5×2 then order BA is:

Choose an answer

3×5

5×2

2×2

none

The trivial solution of the homogeneous linear equations is:

Choose an answer

(1, 0, 0)

(0, 1, 0)

(0, 0, 1)

(0, 0, 0)

Choose an answer

1

-1

-6

6

Choose an answer

scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

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

If A is a square matrix order 3 × 3 the |kA| equals:

Choose an answer

k |A|

k²|A|

k³ |A|

k⁴ |A|

More Classes

Other Links

11th Class Part 1 Mathematics Chapter 3 Test Online 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