Question # 1

Arms of an angle called:

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Terminal sides

Rays

Rotation of arms

Position

Find x in proportion 4:x::5:15

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12

Sin 30^o =.....................

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1/2

√3/2

2

2/√3

A collection of well-defined distinct objects is called.

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subset

Power set

Set

None of these

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

Two circles cannot cut each other at more than ______ points:

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One

Two

Three

Four

The nature of roots depends on the value of:

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-b+4ac

b²+4c

b²-4ac

-b+4ac²

The set {x/x∈W ^x≤ 101} is.

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Infinite set

Sub set

Null set

Finite set

To solve (x+a)(x+b)(x+c)(x+d) = k, we have:

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a-b=b-c

a-b=c-d

a+b=c+d

a-c=b-c

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Perpendicular bisectors of sides of the triangle provides the:

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Radius

Segment

Diameter

Centre

The union of two noncollinear rays, which have common end point is called.

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A Radian

A Minute

A degree

An angle

Cot 45°=_______

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1/2

-1/2

1/√2

1

The discriminant of 2x²-7x+1= 0 is:

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41

45

43

47

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

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3.7

7.3

6.7

no harmonic mean

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Proper fraction

Improper fraction

Irrational fraction

Rational fraction

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