Question # 1

N∪ W = ....................

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∅

{∅}

N

W

The length of the diameter of a circle is how many times the radius of circle:

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1

2

3

4

From a point outside the circle __________ tangents can be drawn:

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One

Two

Three

Four

The number of methods to solve a quadratic equation is:

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1

2

3

4

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-1

O - E = ............

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∅

O

E

Z

The most frequent occurring observation in a data set is called:

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Mode

Median

Harmonic mean

The tangent and radius of a circle at the point of contact are:

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Parallel

Not perpendicular

Perpendicular

A cumulative frequency table is called.

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Frequency distribution

Data

Less then frequency distribution

None of these

A circle of radius 'r' has a circumference of:

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πr2

2πr

2πr2

1/2πr

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

Factors of 5x²-30=0 are:

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5x(x+6)

6x(x+5)

6x(x-5)

5x(x-6)

Cot 45° =

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1

-1

0

Not defined

The harmonic mean of the observation 0,15,12, is:

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3.7

7.3

6.7

no harmonic mean

Arms of an angle called:

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Terminal sides

Rays

Rotation of arms

Position

To resolve rational fraction, the numerator N(x) must be lower degree than the:

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Quotient Q(x)

Denominator D(x)

Nenomenator N(x)

Polynomian R(x)

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