Question # 1

The extent of variation between two extreme observations of a data set is measured by.......................

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Average

Range

Quartiles

Mode

In a : b : : b : c, b is called:

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Meanproportional

Thirdproportional

Continuedproportional

Fourthproportional

The angle subtended by an arc at the circumference of a circle is called a:

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Acute angle

Circum angle

Abtue angle

Ascribe angle

In the given set of data 5,5,5,5,5,5,5 the standard deriation is:

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5

0

7

None of these

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

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Means

Extremes

Third proportional

None of these

Mean is affected by change in ..........

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Place

Scale

Rate

None of these

In a cyclic quadrilateral, the opposite angles are:

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Complementary

Abtuse

Supplementroy

Acute

Tangents drawn at the end points of the diameter of a circle are:

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Parallel

Perpendicular

Intersecting

A quadratic equation has:

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Two roots

Three roots

Fourroots

Fiveroots

In which quadrant 0 lie when Sinθ<0,Secθ<0?

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I

II

III

IV

The D° M' S" form of 32.25° is:

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32°05°

32°10'

32°15'

32°20'

The observation that divide a data set into four equal parts are called.

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Declies

Quartiles

Percentiles

Harmonic mean

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Cos 60^o =.................................

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1/2

√3/2

2

2/√3

Mean is affected by change in:

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Value

Ratio

Origin

The circular region bounded by an arc of a circle and its two corresponding radial segments is called a:

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Sectorof the circle

Areaof the circle

Radiusof the circle

Circumferenceof the circle

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