Question # 1

Every polynomial is _______ expression:

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Complex

Real

Rational

Irrational

The value of i^{9 is:}

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1

-1

i

-i

Factors of a⁴-4b⁴ are:

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(a-b),(a+b),(a2+4b²)

(a²-2b²),(a²+2b²)

(a-b),(a+b),(a^2-4b²)

(a-2b),(a²+2b²)

A triangle having all sides different called:

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Scalene

Right angle

Equilateral

Isosceles

Polynomial means an expression with:

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Two

Four

Many

No term

Mid-point of the line segment joining A (8,0) and (0,12) is:

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(8,-12)

(4,6)

(4,0)

(8,0)

Degree of polynomial means ______ power of variable:

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Lowest

Highest

Both a and b

None of these

Two lines can intersect at :

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Two points

One points

Three points

Unlimited

The right bisectors of the three sides of n triangle are________:

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Congruent

Collinear

Concurrent

Parallel

Equality of ______ ratio is defined as proportion:

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Two

Three

Four

Five

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Z + W

A root of an equation, which do not satisfy the given equation is called:

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Endogenous root

Extraneous root

Internal root

Radical root

The product of three cube roots of unity is:

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Zero

Four

Two

One

The opposite angles of any quadrilateral inscribed in a _______ are supplementary:

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Circle

Square

Hexagon

Rectangle

Radii of a circle are:

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All equal

Double of the diameter

All unequal

Half of any chord

The straight line that bisect the circle is called:

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Sector

Radius

Diameter

Segment

If a:b = x:y, then alternando property is:

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u = wk²

u = vk²

u = w²k

u = v²k

The D° M' S" form of 32.25° is:

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32°05°

32°10'

32°15'

32°20'

Variance is denoted by...........................

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V

S

S²

X

Mean is affected by change in_______________:

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Place

Scale

Rate

Origen

In a class of frequency distribution 14 - 18, the 18 is:

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Upper class limit

Lower class limit

Class interval

All of these

If 2s = a + b + c, then in any triangle ABC:

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all of these

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0

The additive inverse of a real number is a:

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0

-a

a

The domain of y = cos^-1 x function is:

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None

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25

20

40

2a + 2b + 2c

sin (α - ß) =

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Amplitude of sin x is:

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R

[-1,1]

0

1

If A is a square matrix, then A - A^t is:

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If sin α < 0 and cos α > 0, then α lies in:

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I

II

III

IV

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An integral of 3x² is:

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x³+c

3

6x

x^2+c

If y = x² + 1 _______________ x changes from 3 to 3.02 then dy = __________

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0.1204

.12

.02

1.2

Perpendicular dropped from the center of a circle on a chord _______ the chord:

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Normal

Bisects

Equal to

None of these

A region, which is restricted to the ________ quadrant, is referred to as a feasible region for the set of given contraints.

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First

Third

Second

Fourth

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4

2

1

The order (or sense) of an inequality is changed by ________, it each side by a negative constant.

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Adding

Subtracting

Dividing

None of these

The region of the graph ax + by > c is called ______ half plane:

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Open

Boundary of

Closed

None of these

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Unit vector

Null vector

Free vector

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

Angle between the lines x + y + 1 = 0 & x - y + 4 = 0 is:

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30°

45°

60°

90°

A circle is of radius 5 cm, the distance of a chord 8 cm long from its center is:

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4 cm

3cm

2.5cm

3.4cm