Question # 1

The symbol "for all" is:

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Parallelograms, rectangles, square rhombus, trapezium are types of _____.

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Hexagons

Pentagons

Octagons

Polygons

A triangle having two sides equal is called:

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Scalene

Equilateral

Isoceles

None of these

______ non collinear points determine a plane:

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1

2

3

4

S.S.S postulate is used when _____________ of triangles are congruent:

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Two sides and one angle

All three angles

All three sides

Two angles and one side

The symbol used for angle is:

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A quadrilateral having each angle 90° is called:

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Rectangle

Parallelogram

Rhombus

Trapezium

Perpendicular to a line from an angle of___________:

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30°

60°

90°

120°

If the capacity c of an elevator is at most 1600 pounds, then ______:

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c < 1600

c > 1600

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If a matrix has m rows and n columns the order of matrix is:

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m-by-m

n-by-n

m-by-n

n-by-m

The measures that are used to determine the degree or extent of variation in a data set are called measures of:

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Dispersion

Central tendency

Average

If an arc of a circle subtends a central angle of 60°, then the corresponding chord of the arc will make the central angle of:

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20°

40°

60°

80°

A'=_____________

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{x|x∈U^x∉A}

{x|x∈U^x∈A}

{x|x∉U^x∈A}

{x|x∉U^x∉A}

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

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14

7/2

-14

If f is a function from A to B, then f is onto 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.

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

In a cumulative frequency Polygon frequencies are plotted against:

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Mid points

Upper class boundries

Class limits

A ratio has:

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No units

Oneunit

Twounits

Threeunits

If A⊆ B then A∪ B is equal to

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A

B

∅

None of these

Solution set of equation 5x²-125 = 0 is:

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{5}

{10}

{-5}

Sin (-310^o) = ...................

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Sin310^o

-Sin310^o

Cos310^o

tan310^o

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

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Irrational numbers are:

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terminating decimals

non-terminating decimals

non-terminating, repeating decimals

non-terminating, non repeating

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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I

II

III

IV

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The middle terms of (x+y)²³ are:

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T₁₀,T₁₁

T₁₁,T₁₂

T₁₂,T₁₃

none of these

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i

0

What is the general term of the geometric sequence -1, 1, -1, 1 ....... ?

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(-1)ⁿ

(1)ⁿ

(-1)^n-1

none of these

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

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3

2

1

4

In triangle ABC, If Γ = 90° then:

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b = c + a

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

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-cosec x cotx

cosec² x

-cosec²x

cosec x cotx

The radius of circle x² + y² + ax + by + c = 0 is:

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None

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36

42

48

12

If r is the radius of any circle and C its center, then any point P(x₁, y₁) lies on the circle only if:

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|CP| < r

|CP| > r

|CP| = r

None of these

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ln |sin x|

- ln |sin x|

ln |cos x|

-ln |cos x|

The line y = c is above the x - axis, if:

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c > 0

c < 0

c = 0

If any two vectors of scalar triple product are equal, then its value is equal to:

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0

1

-1

2

The opening of the parabola x²= 16y is to __________ of the x-axis:

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Left

Upward

Right

Downward

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At

Not on

On

None of these

The point of a parabola which is closest to the focus in the:

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Directrix

Vertex

Focus

Chord