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Mathematics FA Part 1 Chapter 3 Online Test MCQs With Answers
Question # 1
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Question # 2
If A is a square matrix, then A + A
t
is:
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Question # 3
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 # 4
If A = [a
ij
], B = [b
ij
] and AB = 0 then:
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A = 0
B = 0
either A = 0 or B = 0
A & B not necessarily zero
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Question # 5
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 # 6
If A is a square matrix order 3 × 3 the |kA| equals:
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k |A|
k
2
|A|
k
3
|A|
k
4
|A|
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Question # 7
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 # 8
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3×1
1×3
3×3
1×1
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Question # 9
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3×3
3×2
2×1
2×3
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Question # 10
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diagonal matrix
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Question # 11
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5
-5
-4
4
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Question # 12
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3
-3
1/3
-1/3
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Question # 13
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scalar matrix
diagonalmatrix
triangularmatrix
none of these
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