Question # 1

The nature of roots in equation 7x²+8x+1=0 is:

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Rational and unequal

Irrational and unequal

Rationaland equal

Irrationaland equal

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Proper fraction

Improper fraction

Rational fraction

Irrational fraction

The boundary of a circle is called:

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Circumference

Arc

Line

Area

Quadratic equation is also known as equation of:

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Standard form

Polynomials

Second degree

Higher order

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

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Average

Range

Quartiles

Mode

In an arc of circle substends a central angle 60°, then corresponding chord will make central angle:

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20°

40°

60°

80°

Pi radians is equal to:

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150°

160°

180°

240°

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

The value of i is equal to:

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Cosec²θ-cot²θ =.............

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-1

1

0

tanθ

A central angle is subtended by two radii with the vertex at the ______ of the circle:

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Arc

Radius

Centre

Chord

The measure which determines the middle-most observation in a data set is called:

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Median

Mode

Mean

The symbol used to denote a degree is:

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100

1°

100'

1"

The ________of a given point on a line segment is the foot of perpendicular drawn from the point on that line segment.

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position

co terminal

projection

standard position

By definition, which of the following is a set?

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{a,b,c,d}

{1,2,3,2}

{l,m,n,o}

{0,1,2,3,1}

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1

-1

0

2

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