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Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
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zero
unit
scalar
singular
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Question # 2
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9
-6
6
-9
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Question # 3
The matrix M = [2 -1 7] is called:
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Row matrix
Column matrix
Diagonal matrix
Zero matrix
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Question # 4
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ad + cb = 0
ad = -bc
ad = bc
ab = cd
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Question # 5
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[-13]
[-3]
[3]
[13]
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Question # 6
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Square
Row
Column
Rectangular
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Question # 7
The entries presented in vertical way are called _______
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Columns
Diagonals
Row
Order
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Question # 8
General form of linear equation in two variables is:
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ax + by -m = 0
ax + by = m
ax + m = by
None of these
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Question # 9
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 # 10
Let A and B be two matrices. Then A is said to be equal to B, and denoted by A = B if and only if:
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Order of A = Order of B
Corresponding entries are equal
Either a or b
Bot a and b
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Question # 11
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P = Q
P
≠ Q
P < Q
P > Q
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Question # 12
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ab-cd
ac-bd
bc-ad
ad-bc
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Question # 13
Inverse of identity matrix is _______ matrix:
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A
O
A
-1
Identity
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Question # 14
The entries presented in horizontal way are called ______
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Columns
Diagonals
Rows
Order
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Question # 15
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