If two matrices have same order and their corresponding elements are equal then they are called:

• equal matrices A
• unequal matrices B
• scalar matrices C
• rectangular matrices D

Which matrix is said to be additive identity of any matrix:

• scalar matrix A
• diagonal matrix B
• zero matrix C
• unit matrix D

A matrix consisting of only one row is called a:

• row matrix A
• column matrix B
• scalar matrix C
• rectangular matrix D

A square or a rectangular array of numbers written within square brackets or parentheses in a definite order is called a:

• determinate A
• diagonal B
• matrix C
• row D

If a order of matrix A is (m x p) and order of matrix B is (p x n). Then order of matrix AB is:

• m x p A
• p x n B
• m x n C
• n x n D

A square matrix in which all the element except at least one element in the diagonal are zero is called a:

• rectangular matrix A
• zero matrix B
• square matrix C
• diagonal matrix D

The idea of matrices was introduced by:

• jobs burgi A
• Robert B
• Pythagoras C
• Arthur Cayley D

Two matrices are conformable for addition if they are of the:

• same order A
• different order B
• order 2 x 2 C
• order 3 x 3 D

The symbol ">" stand for:

• greater than A
• less than B
• less than or equal to C
• greater than and equal to D

Which matrix has no multiplicative inverse?

• unit matrix A
• singular matrix B
• non - singular matrix C
• diagonal matrix D

• 2-By -1 A
• 1-By-2 B
• 3-By-2 C
• 3-by-1 D

(AB)t = ?

• At + Bt A
• AtBt B
• BtAt C
• AB D

IF At = -A then matrix A is called a:

• symmetric matrix A
• skew - symmetric matrix B
• transpose of matrix C
• identity matrix D

Which of the following is a column matrix?

• 
  A
• 
  B
• 
  C
• 
  D

• uv-yx A
• vx - uv B
• uy - vx C
• 0 D