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Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
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M
O
-M
I
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Question # 2
AA
-1
= _________:
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A
A
-1
I
0
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Question # 3
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Square
Row
Column
Rectangular
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Question # 4
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ab-cd
ac-bd
bc-ad
ad-bc
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Question # 5
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Question # 6
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 # 7
Transpose of row matrix is called ______ matrix:
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Identity
Row
Square
Column
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Question # 8
The matrices are denoted by _________ letters of English alphabet:
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Small
Capital
Both a and b
None
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Question # 9
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1-by-3
3-by-1
3-by-3
2-by-2
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Question # 10
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 # 11
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zero
unit
scalar
singular
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Question # 12
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Skew-symmetric
Symmetric
Diagonal
Scalar
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Question # 13
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ad + cb = 0
ad = -bc
ad = bc
ab = cd
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Question # 14
The entries presented in vertical way are called _______
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Columns
Diagonals
Row
Order
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Question # 15
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3-by 2
2-by-3
1-by-3
3-by-1
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