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Online Tests
Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
A matrix is called column matrix if it has only one:
Choose an answer
Column
Row
Diagonal
None
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Question # 2
Which is order of square matrix:
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2-by-2
1-by-2
2-by-1
3-by-2
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Question # 3
If A, B and C are comfortable for multiplication then A(BC) =
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AB
A(CB)
(AB)C
None
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Question # 4
The order of matric [2 1] is:
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2-by-1
1-by-2
1-by-1
2-by-2
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Question # 5
Choose an answer
ab-cd
ac-bd
bc-ad
ad-bc
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Question # 6
Choose an answer
-3
-4
3
4
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Question # 7
Choose an answer
ad + cb = 0
ad = -bc
ad = bc
ab = cd
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Question # 8
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1-by-3
3-by-1
3-by-3
2-by-2
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Question # 9
Choose an answer
6
3
-3
-6
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Question # 10
Inverse of identity matrix is _______ matrix:
Choose an answer
A
O
A
-1
Identity
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Question # 11
Choose an answer
3-by-2
2-by-3
1-by-3
3-by-1
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Question # 12
M
-1
=
Choose an answer
-M
AdjM
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Question # 13
Let A,B,C be three matrices, then A(B+C) = AB + AC is known as:
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Cumulative property w.r.to '+'
Associative property w.r.t '+'
Left distributive law
Right distributive law
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Question # 14
Choose an answer
P = Q
P
≠ Q
P < Q
P > Q
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Question # 15
Choose an answer
[2x + y]
[x - 2y]
[2x - y]
[x + 2y]
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