Question # 1

Cos 30^o =.....................

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1/2

√3/2

2

2/√3

In ratio a : b, the first term is called:

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Extremes

Means

Consequent

Antecedent

π/2 radians =.....................

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30^o

45^o

60^o

90^o

In continued proportion a:b = b:c, ac = b², b is said to be _______ proportional between a and c:

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Third

Fourth

Means

None of these

360 degrees make 4 _________ angles:

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Obtuse

Right

Acute

Supplementary

If the distance between the centres of two circles is equal to the sum of their radii, then the circles will:

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Intersect

Do not intersect

Touch each other externally

The positive square coot of mean of the squared deviations of x₁ (i = 1,2..........n) observation from their arithmetic mean is called.

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Harmonic mean

Range

S.D

Variance

An equation of the form 2x⁴-3x³+7x²-3x+2=0 is called a/an:

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Reciprocal equation

Radicalequation

Exponentialequation

None of these

Perpendicular from the centre of a circle on a _______ bisects it:

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Segment

Arc

Sector

Chord

Geometry means measure of the:

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Earth or Straight line

Earth or Land

Triangle or Polygon

Earth or Point

A grouped frequency table is also called.............

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Data

Frequency distribution

Frequency polygon

Histogram

Sinθ,Cosecθ =..............................

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1

0

Sinθ

Cos θ

A line which has only one point in common with a circle is called:

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Sine of a circle

Cosineof a circle

Tangentof a circle

Secantof a circle

The measure of central tendency which is not affected by extreme values is called:

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Median

Arithmetic mean

Geometric mean

None of these

Which mathematical expression is correct:

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The geometric mean of the a observations 2,4,8, is:

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2

8

4

no geometric mean

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