Question # 1

Do (A + B) + C = A + (B + C)?

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No

Yes

May or may not

Never

Order of the matrix having m rows and n columns is:

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m + n

m - n

m / n

m x n

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Equal

Possible

Not possible

Zero

A square matrix whose elements below the main diagonal are all zero is called.

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Upper triangular matrix

Lower triangular matrix

Rectangular

Row matrix

Any matrix "A" is a symmetric matrix if:

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A = -A

A = A^t

A = -A^t

A = A^-t

If A is matrix of order mxn then to get AB, the matrix B must be order of

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m x m

P x P

m x P

n x P

In decimal system base of system is:

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2

5

8

10

If A = [aij], then A+ is :

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[aij]

[bji]

[aji]

[aii]

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Business Mathematics Icom Part 1 Chapter 5 Online Test MCQs With Answers

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