Question # 1

The decimal degrees of 25°30' is:

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25.2°

25.3°

25.4°

25.5°

Types of measures of central tendency are................

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3

4

5

6

If a : b = c :d, than a + b : b = c + d : d is called theorem of :

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Alternando

Invertendo

Dividendo

Componendo

Arms of an angle called:

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Terminal sides

Rays

Rotation of arms

Position

The difference between upper limit of two consecutive classes is a frequency table is called:

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Class limit

Class interval

Class mark

All of these

A pair of chords of a circle subtending two congruent central angles is:

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Congruent

Incongruent

Over lapping

Parallel

The positive square root of mean of the squared deviation of X,{1=1,2,3,.......n) observations from their arithmetic mean is called.

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Harmonic mean

Range

Standard deviation

Variance

The number of elements in power set {1,2,3}:

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4

6

8

9

If a = -2, b = -1 and c = -1, then discriminant is equal to:

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17

-17

-7

7

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

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Means

Extremes

Third proportional

None of these

The distance of any point of the circle to its centre is called:

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Radius

Diameter

A chord

An arc

The tangent to a circle and the radial segment joining the point of contact and the __________ are perpendicular to each other:

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Chord

Centre

Tangent

Arc

Three times the sequence on any side of an equilateral triangle equal to four times the square on the:

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Median

Altitude

Side

Vertex

Cosec²θ-cot²θ =.............

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-1

1

0

tanθ

A part of circumference of a circle is called.

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Radians

CFhord

Sector

Arc

In a circle radius 10 what is the length of are intercepted by a central angle of 60°:

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π/3m

3/10πm

10π/3m

π/30m

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