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Business Mathematics Icom Part 1 Chapter 5 Online Test MCQs With Answers
Question # 1
I3 x | I
3
| = ?
Choose an answer
I
3
0
1
None of these
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Question # 2
A square matrix A is said to be singular if
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Question # 3
If A is matrix of order mxn then to get AB, the matrix B must be order of
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m x m
P x P
m x P
n x P
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Question # 4
Choose an answer
Equal
Possible
Not possible
Zero
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Question # 5
In binary system the base of the system is:
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2
5
8
10
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Question # 6
2 x 10 + 3 x 10
o
=.
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23
24
25
26
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Question # 7
A + 0 is equal to:
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0
A
O + A
None of these
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Question # 8
Any matrix "A" is a symmetric matrix if:
Choose an answer
A = -A
A = A
t
A = -A
t
A = A
-t
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Question # 9
A square matrix whose elements below the main diagonal are all zero is called.
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Upper triangular matrix
Lower triangular matrix
Rectangular
Row matrix
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Question # 10
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Question # 11
The order of matrix [a]
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1 x 1
2 x 1
0 x 1
1 x 0
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Question # 12
Cramer's rule is used to solve
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System of quadratic equation
System of linear equation
Any system of equation
None
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Question # 13
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Question # 14
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Unit matrix
Diagonal matrix
Square matrix
Singular matrix
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Question # 15
If Ax = B then x is
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BA
-1
AB
B/A
A
-1
B
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