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11th Class ICS Mathematics Chapter 3 Test Online MCQs With Answers
Question # 1
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singular
non-singular
rectangular
null
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Question # 2
If the matrices A & B have the orders 2×3 and 5×2 then order BA is:
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3×5
5×2
2×2
none
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Question # 3
Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in:
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order
position
sign
symmetry
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Question # 4
If A is a matrix of order m × n, then the number of elements in each row of A is:
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m
n
m + n
m - n
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Question # 5
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Question # 6
If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is:
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0
1
-1
none of these
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Question # 7
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diagonal matrix
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Question # 8
The additive inverse of a matrix A is:
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A
A
-1
- A
A
2
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Question # 9
A matrix of order m×1 is called:
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row matrix
column matrix
identity matrix
scalar matrix
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Question # 10
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40
-40
26
-26
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Question # 11
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scalarmatrix
diagonalmatrix
lower triangularmatrix
uppertriangularmatrix
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Question # 12
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1
-5
-1
none
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Question # 13
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None
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