Question # 1

Equality of ______ ratio is defined as proportion:

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Two

Three

Four

Five

If the product of two surds is a rational number, then each surd is called ________ of the other:

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Additive inverse

Multiplicative inverse

Rationalizing factor

Factor

Factors of 25x²+16a²+40x

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5x+4

(5x+4)²

(5x+4)(5x-4)

(5x-4)²

A line segment has ________ mid points:

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1

2

3

4

Imaginary part of -i (3i+2) is:

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-2

2

3

-3

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If the three altitudes of a triangle are congruent, then the triangle is ______:

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Equilateral

Right angled

Isosceles

Acute angled

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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

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5

4

2

3

The product of two algebraic expressions is equal to the _________ of their HCF and LCM:

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Sum

Difference

Product

Quotient

The union of two noncollinear rays, which have common end point is called.

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A Radian

A Minute

A degree

An angle

The locus of a moving point P in a plane which is always equidistant from some fixed point 0 is called:

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Segment line

Radial segment

Circle

Circumference

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-1

1

0

In proportion 7:4::p:8, p = ____________:

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14

7/2

-14

N∩ W = ..................

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∅

{∅}

N

W

The difference between upper limit of two consecutive classes is a frequency table is called:

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Class limit

Class interval

Class mark

All of these

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214

256

273

296

The radiance measure of an angle that forms a complete circle is:

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2π

3π

4π

6π

The different number of way to describe a set are.

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1

2

3

4

If b²-4ac<0, then the roots of ax²+bx+c=0 are:

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Irrational

Rational

Imaginary

None of these

Fundamental trigonometric ration are.

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3

4

5

6

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equal sets

null sets

overlapping sets

subsets

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If α, ß are the roots of x² + kx + 12=0 such that α-ß = 1 then K = :

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0

±5

±7

±15

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Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

A groupoid (S) is called __________ if it is associative in S:

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group

abelian-group

semi-group

associative-group

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Domain of the function y = tan^-1 x is:

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In any triangle ABC, law of cosines is:

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1 radian is equal to:

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180°

none of these

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Non-vertical lines divide the plane into___________half plane:

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Upper and lower

Many

Left and Right

None of these

If y = f(u) and u = F(x), then:

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The focus of the parabola x² = 4ay:

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(0, a)

(-a , 0)

(0, -a)

(a, 0)

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2 - 7

2 + 7

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

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Normal

Bisects

Equal to

None of these

If a pair of opposite sides of a quadrilateral are equal and parallel then it is:

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Rectangle

Rhombus

Parallelogram

None of these

If a straight line is perpendicular to x-axis, then its slope is:

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0

1

2

Undefined

The fixed point of the conic is called:

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Directrix

Vertex

Focus

None of these

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tan x + c

- tan x + c

sec x tan x + c

- sec x tan x + c

The two parts of a right circular cones are called:

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Nappes

Apex of the cone

Generator

Vertex

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Scalar

Free vector

Unit vector

Null vector