More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Mathematics FA Part 1 Chapter 3 Online Test MCQs With Answers
Question # 1
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
Previous
Skip
Next
Question # 2
Choose an answer
3×2
2×3
2×2
3×3
Previous
Skip
Next
Question # 3
If a matrix A is symmetric as well as skew symmetric, then:
Choose an answer
A is null matrix
A is unit matrix
A is triangular matrix
A is diagonal matrix
Previous
Skip
Next
Question # 4
If A is a square matrix order 3 × 3 the |kA| equals:
Choose an answer
k |A|
k
2
|A|
k
3
|A|
k
4
|A|
Previous
Skip
Next
Question # 5
Choose an answer
1
-5
-1
none
Previous
Skip
Next
Question # 6
Choose an answer
Previous
Skip
Next
Question # 7
Choose an answer
None
Previous
Skip
Next
Question # 8
If A is a square matrix, then A + A
t
is:
Choose an answer
Previous
Skip
Next
Question # 9
Choose an answer
Previous
Skip
Next
Question # 10
A
-1
exists if A is:
Choose an answer
singular
nonsingular
symmetric
none
Previous
Skip
Next
Question # 11
Choose an answer
3×1
1×3
3×3
1×1
Previous
Skip
Next
Question # 12
Choose an answer
40
-40
26
-26
Previous
Skip
Next
Question # 13
Choose an answer
5
14
20
6
Previous
Skip
Next
Question # 14
Choose an answer
25
20
40
2a + 2b + 2c
Previous
Skip
Next
Question # 15
Choose an answer
singular
non-singular
rectangular
null
Previous
Skip
Next
Question # 16
Choose an answer
3
-3
1/3
-1/3
Previous
Skip
Next
Question # 17
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
Previous
Skip
Next
Question # 18
A matrix in which each element is 0 is called:
Choose an answer
Previous
Skip
Next
Question # 19
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
Previous
Skip
Next
Question # 20
If A is a matrix of order m × n, then the number of elements in each row of A is:
Choose an answer
m
n
m + n
m - n
Previous
Skip
Next
Question # 21
A matrix of order m×1 is called:
Choose an answer
row matrix
column matrix
identity matrix
scalar matrix
Previous
Skip
Next
Back