JEE Questions for Maths Matrices And Determinants Quiz 14 - MCQExams.com

Maths-Matrices and Determinants-40252.png

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Unit matrix
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Scalar matrix
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Null matrix
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Diagonal matrix

Maths-Matrices and Determinants-40254.png

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2)
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Maths-Matrices and Determinants-40260.png

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2)
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Maths-Matrices and Determinants-40266.png

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2)
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Maths-Matrices and Determinants-40272.png

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0
0%
10
0%
20
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100

Maths-Matrices and Determinants-40274.png

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16
0%
10
0%
6
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None of these

Maths-Matrices and Determinants-40276.png

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2
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3
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4
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6

If A and B are symmetric matrices of the same order, then which of the following is not true

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2)
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Maths-Matrices and Determinants-40283.png

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2)
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None of these

Maths-Matrices and Determinants-40288.png

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2
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3
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–4
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4
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–2

Maths-Matrices and Determinants-40290.png

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2)
0%
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0%

Maths-Matrices and Determinants-40297.png

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2)
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Maths-Matrices and Determinants-40303.png

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2)
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In a skew symmetric matrix, the diagonal elements are all

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Different from each other
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Zero
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One
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None of these

Maths-Matrices and Determinants-40309.png

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–2
0%
2
0%
–4
0%
4

Maths-Matrices and Determinants-40311.png

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2)
0%
0%
None of these

Maths-Matrices and Determinants-40316.png

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Symmetric
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Skew-symmetric
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Non-singular
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Singular

Maths-Matrices and Determinants-40318.png

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Unit matrix
0%
Null matrix
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A
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–A

Maths-Matrices and Determinants-40320.png

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2)
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0%

Maths-Matrices and Determinants-40326.png

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2)
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Maths-Matrices and Determinants-40331.png

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2)
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0%

Maths-Matrices and Determinants-40337.png

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(2, 3)
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(3, 4)
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(4, 3)
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None of these

Maths-Matrices and Determinants-40339.png

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2)
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Maths-Matrices and Determinants-40345.png

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0%
2)
0%
0%

Maths-Matrices and Determinants-40351.png

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–2
0%
4
0%
2
0%
–4

Maths-Matrices and Determinants-40353.png

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2
0%
3
0%
4
0%
5

Maths-Matrices and Determinants-40355.png

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–1
0%
1
0%
0
0%
2

Maths-Matrices and Determinants-40357.png

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0%
2)
0%
0%

Maths-Matrices and Determinants-40362.png

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0
0%
2)
0%
–1
0%
1

Maths-Matrices and Determinants-40365.png

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2)
0%
0%
None of these

Maths-Matrices and Determinants-40370.png

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2)
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Maths-Matrices and Determinants-40376.png

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2)
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Maths-Matrices and Determinants-40381.png

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2)
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Maths-Matrices and Determinants-40387.png

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2)
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Maths-Matrices and Determinants-40392.png

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2)
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Maths-Matrices and Determinants-40398.png

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2)
0%
0%

Maths-Matrices and Determinants-40404.png

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0%
2)
0%
0%

Maths-Matrices and Determinants-40410.png

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–18
0%
4
0%
–12
0%
None of these

Maths-Matrices and Determinants-40412.png

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5A
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10A
0%
16A
0%
32A

Maths-Matrices and Determinants-40414.png

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0%
2)
0%
0%

Maths-Matrices and Determinants-40420.png

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0%
2)
0%
0%
None of these

Maths-Matrices and Determinants-40424.png

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An upper triangular matrix
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A null matrix
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A lower triangular matrix
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None of these

Maths-Matrices and Determinants-40426.png

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2)
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None of these

Maths-Matrices and Determinants-40431.png

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There cannot exist any B such that AB = BA
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There exists more than one but finite number of B’s such that AB = BA
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There exists exactly one B such that AB = BA
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There exists infinitely many B’s such that AB = BA

Maths-Matrices and Determinants-40433.png

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2)
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Maths-Matrices and Determinants-40438.png

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2)
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Maths-Matrices and Determinants-40444.png

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2)
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0%

Maths-Matrices and Determinants-40450.png

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2)
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0%

Maths-Matrices and Determinants-40456.png

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A unit matrix
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A triangular matrix
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A scalar matrix
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None of these

Maths-Matrices and Determinants-40457.png

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2)
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