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11th Class Part 1 Mathematics Chapter 3 Test Online MCQs With Answers
Question # 1
Choose an answer
3×3
3×2
2×1
2×3
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Question # 2
If A is a square matrix, then:
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A
^{t}
 = A
A
^{t}
 = A
A
^{t}
 = A
A
^{t}
= A
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Question # 3
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5
14
20
6
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Question # 4
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Question # 5
A matrix in which each element is 0 is called:
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Question # 6
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40
40
26
26
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Question # 7
If A is a square matrix, then A  A
^{t}
is:
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Question # 8
For a square matrix A, A equals:
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A
^{t}
A
^{t}

A
^{t}

A
^{t}
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Question # 9
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1
5
1
none
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Question # 10
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zero
nonsingular
singular
none of these
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Question # 11
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diagonal matrix
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Question # 12
The additive inverse of a matrix A is:
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A
A
^{1}
 A
A
^{2}
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Question # 13
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25
20
40
2a + 2b + 2c
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Question # 14
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Question # 15
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None
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Question # 16
The order of a matrix is shown by:
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number of columns + number of rows
number of rows × number of columns
number of columns  number of rows
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Question # 17
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scalar matrix
diagonalmatrix
triangularmatrix
none of these
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Question # 18
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 # 19
The trivial solution of the homogeneous linear equations is:
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(1, 0, 0)
(0, 1, 0)
(0, 0, 1)
(0, 0, 0)
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Question # 20
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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