Question # 1

Do AB = BA?

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Never

Yes

May or may not

None of these

Cramer's rule is used to solve

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System of quadratic equation

System of linear equation

Any system of equation

None

2 x 10 + 3 x 10^o =.

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23

24

25

26

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

In decimal system base of system is:

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2

5

8

10

If Ax = B then x is

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BA^-1

AB

B/A

A^-1 B

In binary system the base of the system is:

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2

5

8

10

We cannot find the inverse of a:

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Square matrix

Diagonal matrix

Triangular matrix

Singular matrix

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If A is a singular matrix then:

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A = 0

|A| = 0

A ≠ 0

|A| ≠ 0

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

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