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11th Class FSC Mathematics Chapter 3 Test Online MCQs With Answers
Question # 1
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 # 2
If A is non singular matrix then A
t
is:
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singular
nonsingular
symmetric
none
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Question # 3
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None
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Question # 4
A matrix in which each element is 0 is called:
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Question # 5
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scalar matrix
diagonalmatrix
triangularmatrix
none of these
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Question # 6
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Question # 7
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zero
non-singular
singular
none of these
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Question # 8
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1
-1
-6
6
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Question # 9
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3×3
3×2
2×1
2×3
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Question # 10
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 # 11
If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is:
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r - s
r × s
r + s
none of these
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Question # 12
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diagonal matrix
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Question # 13
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5
14
20
6
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Question # 14
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5
-5
-4
4
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Question # 15
Two matrices X and Y are equal if and only if:
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X and Y are of same order
Their corresponding elements are equal
Both a and b
None of these
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Question # 16
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Question # 17
If A is a square matrix, then A - A
t
is:
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Question # 18
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3
-3
1/3
-1/3
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Question # 19
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diagonal matrix
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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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Question # 21
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scalar matrix
diagonalmatrix
lower triangularmatrix
upper triangularmatrix
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