Question # 1

A matrix of order m×1 is called:

Choose an answer

row matrix

column matrix

identity matrix

scalar matrix

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

If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is:

Choose an answer

|A|³

27|A|

3|A|

9|A|

Choose an answer

3×3

3×2

2×1

2×3

If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is:

Choose an answer

r - s

r × s

r + s

none of these

Choose an answer

40

-40

26

-26

Choose an answer

scalar matrix

diagonalmatrix

lower triangularmatrix

upper triangularmatrix

Choose an answer

1

-5

-1

none

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

diagonal matrix

Choose an answer

ab - cd = 0

ac - bd = 0

ad - bc = 1

ad - bc = 0

Choose an answer

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

More Classes

Other Links

Mathematics Fsc 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