Question # 1

__________ Common tangents can be drawn for two touching circles:

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2

3

4

5

The some of cube roots of unity is:

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Zero

One

Two

Three

A quadratic factor is:

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ax²+bx+c

ax+b

Ax+B+c

bx+c

A set containing no element is called.

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subset

Empty set

Singleton set

Super set

A straight line, drawn from the centre of a circle to bisect a chord is _______ to the chord:

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Parallel

Equidistant

Perpendicular

Congruent

Factors of 5x²-30=0 are:

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5x(x+6)

6x(x+5)

6x(x-5)

5x(x-6)

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-1

1

0

The circumference of a circle is called:

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Tangent

Chord

Boundary

Segment

The symbol used to denote a minute is:

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1"

1'

1°

1""

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

If b²-4ac > 0, but not a perfect square then roots of ax²+bx+c=0 are:

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Imaginary

Rational

Irrational

None of these

In which quadrant only tanθ and cotθ are positive.

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I

II

III

IV

Tan 180° =

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0

1

Not defined

-1

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

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Componendo

Dividendo

(a) & ( b)

Invertendo

Roots of the equation 4x²-4x+1=0 are:

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Real, equal

Real, uneqal

Imaginary

Irrational

Mean is affected by change in:

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Value

Ratio

Origin

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