Question # 1

In which quadrant 0 lie when cosθ < , Sinθ < o ?

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I

II

III

IV

Mean is affected by change in_______________:

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Place

Scale

Rate

Origen

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

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Thirdproportional

Fourthproportional

Meanproportional

Continuedproportional

Angle inscribed in a semicircle is always:

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90°

60°

120°

360°

Tangent drawn at the ends of diameter of a circle of___________ to each other:

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parallel

perpendicular

collinear

none parallel

If R ={(0,2),(2,3),(3,4)} then Dom (R) is:

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

An angle inscribed in a semicircle is:

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The n^th positive root of the product of the x₁,x₂,x₃..................x_n observations is called:

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Mode

Mean

Geometric mean

The discriminant of quadratic equation is:

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b²-4ac

-b²+4ac

Sec²θ = ...........................

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1-Sin²θ

1+tan²θ

1+cos²θ

1-tan²θ

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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

tan 30^o=...................................

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1/2

√3/2

√3

1/√3

A circum angle is subtended between any two chords of a circle, having:

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Circumference

Diameter

Radius

Central angle

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115'

135°

150°

30°

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

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Means

Extremes

Third proportional

None of these

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