Question # 1

In the given set of data 5,7,7,5,3,7,2,8,2 mode is:

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9

5

2

7

If A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

The radius of incricle is called:

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In-radius

Escribed radius

E-radius

Radius

The number of elements of the power set {a,b} are.

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1

2

3

4

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An improper fraction

An equation

A proper fraction

None of these

The product of three cube roots of unity is:

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Zero

Four

Two

One

The square of standard deriation :

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Standard deriation

Range

Dispersion

Variance

The circumference of a circle is:

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In a proportion a:b:c:d, and d are called:

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Means

Extremes

Third proportional

None of these

A part of the circumference of a circle is called:

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A segment

A sector

An arc

A radius

A straight line which cuts the circumference of a circle in two distinct points is called:

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chord

secant

tangent

sector

If an arc of a circle subtends a central angle of 60°, then the corresponding chord of the arc will make the central angle of:

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20°

40°

60°

80°

Tangents drawn at the ends of diameter of a circle are _______ to each other:

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Parallel

Non parallel

Collinear

Perpendicular

A second degree equation in one variable x is of the form:

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ax²+c

ax²+bx+c

ax+bx+c

ax²+b

If the rotation of the ray is clockwise, the angle is _____________ in measure:

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positive

negative

initial

terminal

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