Question # 1

A set of all values of 'x' is called

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Function

Domain

Range

Constant function

To find the inverse of a matrix A we use the formula.

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|A|/Adj A

|A| Adj A

Adj A/ |A|

None

A square matrix A is said to be singular if.

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|A| = 0

|A| ≠ 0

|A| = 1

|A| ≠ 1

The fractional form of 8.5% is

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If Ax = B then x is

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BA^-1

AB

B/A

A^-1 B

If A is matrix of order m x n then to get AB, the matrix be must be of order.

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m x m

p x p

m x p

n x p

What percent Rs. 30 is of 300

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30%

10%

20%

15%

Annuity classified into categories is:

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Four

Three

Two

Five

In quadratic equation the variable has degree:

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1

2

More than 2

Less than 2

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

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No

Yes

May or may not

Never

2143 in binary system is ------------------

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(1111100111)₂

(100001011111)₂

(1101101101)₂

(1000010111)₂

Simultaneous equations can be solved in ways.

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2

3

4

5

Cramer's rule is used to solve

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System of quadratic equation

System of linear equation

Any system of equation

None

The binary number "10" is in decimal number system is equivalent to:

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1

2

3

4

I3 x | I₃ | = ?

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I₃

0

1

None of these

Every proportion consists of:

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One term

Two terms

Three terms

4 terms

Solution set of equations 4x + 5y = 40 and 3x + 2y = 23 is:

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{ (4,5) }

{ (5, 4) }

{ (-5, 4) }

{ -4, -5) }

A matrix with same number of rows and columns is known as:

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Diagonal matrix

Scalar matrix

Square matrix

None

Solution set of 4x - 7y = 12 and 3x + y = 9 is

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(0,3)

(1,3)

(6,3)

(3,0)

B² - 4ac in a quadratic formula is called

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Nature of root

Discriminant

Solution set

Extraneous root

The methods of finding interest are:

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One

Two

Three

Four

The function G (t) = 5t - 3/2 is:

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Constant

Linear

Quadratic

Absolute

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

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[aij]

[bji]

[aji]

[aii]

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Business Mathematics Icom Part 1 Online Test MCQs With Answers

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