Question # 1

A solution to a linear equation in any replacement or substitution for the variable x that makes the statement ____________.

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True

False

Open

Inequality

The line segment, joining the mid-points of two sides of a triangle is parallel to the third side and is equal to _______ of its length:

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Half

Double

If a²+b²>c²then triangle is called:

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Acute

Obtuse

Scalene

Right

__________ triangle is an equilateral triangle:

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Right triange

Scalene

Equilateral

Isoscless

The __________ bisector of an angle of a triangle divides the sides in the same ratio then it is the ratio of the lengths of the sides containing the angles:

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Internal

External

Perpendicular

None of these

Mid point of the points (2,2) and (0,0) is:

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(1,1)

(1,0)

(0,1)

(-1,-1)

Any diagonal of a parallelogram divides it in two ____ triangles:

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Congurent

Not congurent

Unequal

None

Diagonals of a parallelogram _______ each other at a point:

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Attract

Repell

Intersect

None of these

How many right angles a parallelogram has ________:

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0

1

2

3

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ad + cb = 0

ad = -bc

ad = bc

ab = cd

A Deviation is defined as a difference of any value of the variable from a:

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Constant

Histogram

Sum

If the angles subtended by two chords of a circle (or congruent circles) at the centre (corresponding centre) are equal, the ______ are equal:

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Lines

Segments

Chords

Arcs

If y = 8 and x = 4, then k = xy, we get k =

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12

32

84

114

Any pair of radii divides a circle into ______ sectors:

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Two

Three

Four

Five

The mean of the squared deviations of X observations from their arithmetic mean is called.

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Variance

Standard deviation

Range

Harmonic mean

W - N = ....................

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∅

{∅}

N

W

A straight line which cuts the circumference of a circle in two distinct points is called:

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chord

secant

tangent

sector

Cot 45° =

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1

-1

0

Not defined

Quadratic equation is also known as equation of:

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Standard form

Polynomials

Second degree

Higher order

A line intersecting a circle is called:

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Tangent

Secant

Chord

1/cosθ = ................

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Sinθ

Secθ

Co secθ

Cosθ

The period of cosec 3x is:

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To convert any angle in degrees into radians, we multiply the measure by:

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Every real number is also a/an:

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integer

rational number

irrationalnumber

complexnumber

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T₆

T₇

T₈

T₅

cos (α-ß) =

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cos α cos ß + sin α sin ß

cos α cos ß - sin α sin ß

cos α cos ß + sin α cos ß

sin α cos ß - sin α sin ß

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0

i

-i

1

If f(x) = arccos x, then:

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A set containing finite number of elements is called:

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nullset

superset

finiteset

infiniteset

Tan (294°) =

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tan24°

-tan24°

cot24°

-cot24°

If S is the H.M between 2 and b then b = :

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-10

10

7

5

The opening of the parabola y² = -4ax is to the left of the:

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x-axis

x = 1

y-axis

x = 0

The centroid of a triangle is a point that divides each median in the ratio:

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2 : 1

2 : 3

1 : 3

4 : 3

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Ellipse

Parabola

Hyperbola

Circle

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cosech x coth x

-cosech²x

-cosech x coth x

cosech²x

x² + y² = 4 is:

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Function

Not a function

Ellipse

Line

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0

1

2

4

f(x) = sin x + cos x is ------------ function:

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Even

Odd

Composite

Neither even nor odd function

The equ. of directrix of the parabola y² = -4ax is:

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x = a

x = - a

y = a

y = -a

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0

-1

1

2

A line through a point say P perpendicular to the tangent to the curve at P is called:

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Straight line

Tangent line

Normal line

None of these

y = -2 is a line:

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Parallel to x-axis

Parallel to y-axis

Perpendicular to x-axis

None of these