Question # 1

In decimal system (12)₅ is equal to

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17

7

15

60

General form of a quadratic equation is.

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ax² + bx + c = 0

ax² + bx + c = 1

ax² - bx - c = 0

ax² + bx - c = 0

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

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m + n

m - n

m / n

m x n

In order to find profit % we use

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Unit matrix

Diagonal matrix

Square matrix

Singular matrix

In any function there will be only one:

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Independent variable

Dependent variable

Random variable

None of these

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

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{ (4,5) }

{ (5, 4) }

{ (-5, 4) }

{ -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

Never ending annuity is:

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Ordinary annuity

Annuity due

Perpetuity

Annuity

A linear equation consist of roots

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One

Two

Zero

Three

a : b :: c : d is:

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a/b = d/c

b/a = c/d

a/b = c/d

None of these

If every element of matrix is zero that matrix is called:

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Null matrix

Square matrix

Identity matrix

Row matrix

The problem which deal with more than one proportion belongs to

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Compound proportion

Inverse proportion

direct proportion

Continued proportion

(1100000)₂ - (111111)₂= --------------------------- :

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(100001)₂

(110001)₂

(1000111)₂

(111110)₂

In decimal system base of system is:

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2

5

8

10

The ratio between 80 and 640 is

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1 : 4

2 : 4

1 :8

4 : 6

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