Question # 1

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

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

Choose an answer

If A is non singular matrix then A^t is:

Choose an answer

singular

nonsingular

symmetric

none

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

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

Choose an answer

singular

non-singular

rectangular

null

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

If A is a square matrix, then:

Choose an answer

|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:

Choose an answer

p×m

p×n

n×p

m×p

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

Choose an answer

k |A|

k²|A|

k³ |A|

k⁴ |A|

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

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

The trivial solution of the homogeneous linear equations is:

Choose an answer

(1, 0, 0)

(0, 1, 0)

(0, 0, 1)

(0, 0, 0)

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

A matrix in which each element is 0 is called:

Choose an answer

scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

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

Choose an answer

2

-2

5

-5

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

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