Question # 1

A line intersecting a circle is called:

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Tangent

Secant

Chord

π/3 radians =..............................................

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30^o

45^o

60^o

90^o

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The spread or scatterness of observations in a data set is called:

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Average

Dispersion

Central tendency

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

Find k, if the roots are equal in (k+3)x²-2(k+1)x-(k+1)=0:

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2, -1

-2,-1

-2,1

2,1

The standard form of quadratic equation is:

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x²+6=7x

x²-7x=6

7x+6=x²

x²-7x+6=0

In ax²+b+c, the constant term is:

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a

b

c

d

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

The symbol used to denote a degree is:

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100

1°

100'

1"

The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:

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Harmonic mean

Range

Standard deviation

If f is a function from A to B, then f is one - one function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

Point (-1,4) , lies in the quadrant.

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I

II

III

IV

Diameter _______a circle:

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Divides

Trisects

Intercept

Bisects

The union of two noncollinear rays. which have common endpoint is called

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An angle

A degree

A minute

A raian

A ratio has:

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No units

Oneunit

Twounits

Threeunits

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