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Free download in PDF Matrices Objective Type Questions & Answers for competitive exams. These Matrices Quiz Questions with Answers are important for competitive exams UGC NET, GATE, IBPS Specialist Recruitment Test.
(21)
Horizontally arranged elements in a matrix is called
[A]
columns
[B]
Rows
[C]
determinants
[D]
transpose
(22)
If A is a matrix of order(m - by - n) then a matrix(n - by - m) obtained by interchanging rows and columns of A is called the
[A]
additive inverse of A
[B]
transpose of A
[C]
determinant of A
[D]
order of A
(23)
If |A| = 0, then A is
[A]
0
[B]
zero matrix
[C]
singular matrix
[D]
non-singular matrix
(24)
Transpose of a rectangular matrix is a
[A]
scaler matrix
[B]
square matrix
[C]
diagonal matrix
[D]
rectangular matrix
Answer: Rectangular matrix
(25)
If A is a symmetric matrix, then At =
[A]
A
[B]
|A|
[C]
0
[D]
diagonal matrix
(26)
A matrix having m rows and n columns with m ≠ n is said to be a
[A]
rectangular matrix
[B]
square matrix
[C]
identity matrix
[D]
scaler matrix
Answer: Rectangular matrix
(27)
Transpose of a column matrix is
[A]
row matrix
[B]
zero matrix
[C]
column matrix
[D]
diagonal matrix
(28)
[ a b c ] is a
1.
2.
3.
4.
[A]
zero matrix
[B]
diagonal matrix
[C]
column matrix
[D]
row matrix
(29)
A zero matrix ‘O’ of order m-by-n and A + O = O + A = A, then matrix is said to be
[A]
additive identity matrix
[B]
null/zero matrix
[C]
symmetric
[D]
skew symmetric
Answer: Additive identity matrix
(30)
Generally elements of a matrix are denoted by
[A]
numbers
[B]
capital letters
[C]
small letters
[D]
both A and C
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