Question # 1

If two circles touch each other, their centres and point of contact are:

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Coincident

Non-collinear

Collinear

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

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Radius

Diameter

A chord

An arc

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One minute is denoted by:

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1'

1''

1°

60'

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

Circles having three points in common will:

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Be perpendicular

Concide

Intersect

Be equal

The spread or scatierness of observations in a data set is called.

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Average

Dispersion

Central tendency

Quartile

Out of two congruent arcs of a circle, if one arc makes a central angle of 30° then the other arc will subtend the central angle of:

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15°

30°

45°

60°

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

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Alternando

Invertendo

Dividendo

Componendo

if a=1, b=-3 and c= 3, then discriminant is:

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3

-2

2

-3

Standard form of quadratic equation is:

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The portion of circumference of a circle is:

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Radius

Chord

Arc

Segment

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A∩ A^c= ...........................

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∪

A^c

∅

A

Tangents drawn at the ends of diameter of a circle are _______ to each other:

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Parallel

Non parallel

Collinear

Perpendicular

If two cords of a circle (of of congruent circles) are equal, then their corresponding arcs (minor, major or semi circular) are:

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Proportional

Equal

Congruent

Bisecting chords

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