| 1 |
If two matrices have same order and their corresponding elements are equal then they are called: |
- A. equal matrices
- B. unequal matrices
- C. scalar matrices
- D. rectangular matrices
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| 2 |
IF At = -A then matrix A is called a: |
- A. symmetric matrix
- B. skew - symmetric matrix
- C. transpose of matrix
- D. identity matrix
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| 3 |
A matrix consisting of only one row is called a: |
- A. row matrix
- B. column matrix
- C. scalar matrix
- D. rectangular matrix
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| 4 |
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: |
- A. m x p
- B. p x n
- C. m x n
- D. n x n
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| 5 |
(AB)t = ? |
- A. At + Bt
- B. AtBt
- C. BtAt
- D. AB
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| 6 |
A square matrix in which all the element except at least one element in the diagonal are zero is called a: |
- A. rectangular matrix
- B. zero matrix
- C. square matrix
- D. diagonal matrix
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| 7 |
Which matrix has no multiplicative inverse? |
- A. unit matrix
- B. singular matrix
- C. non - singular matrix
- D. diagonal matrix
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| 8 |
A square or a rectangular array of numbers written within square brackets or parentheses in a definite order is called a: |
- A. determinate
- B. diagonal
- C. matrix
- D. row
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| 9 |
Which matrix is said to be additive identity of any matrix: |
- A. scalar matrix
- B. diagonal matrix
- C. zero matrix
- D. unit matrix
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| 10 |
The idea of matrices was introduced by: |
- A. jobs burgi
- B. Robert
- C. Pythagoras
- D. Arthur Cayley
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