Question # 1

The physical quantity which possesses both magnitude and direction is called a

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scalar

vector

constant

none of these

The set of points {(x,y)|y = f(x),∀x∈} is called

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Relation

Graph of f

Function

All are correct

There are 16 point in a plane, in which 6 are collinear. how many lines can be drawn by joining these points?

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10

66

71

106

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

Domain of cos x is ______

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7

5

6

None of these

If a = {2m/2m < 9 ,m€ p} , the (n A) =

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{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

The function sine and Cosine have the closed internal as their range

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[1, 0]

[-1, 1]

[0, 1]

[-1, 2]

ax + by < c is linear inequality in

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four variables

three variables

two variables

one variable

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(2x4)

(2x7)

(2x3)

(7x2)

If a and b are any two distinct negative real numbers and G-ab where A.G.H represent arithmetic geometric and harmonic means then

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1

ω²

ω

0

The conic is a parabola if

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e <1

e > 1

e = 1

e = 0

A relation in which the equality is true only for some values of the unknown variable is called

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An identity

An equation

A polynomial

Inverse function

The average of first 100 integers is=

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50 1/2

25 1/4

100

5050

Two matrices A and B are conformable for multiplication (AB) if and only if

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Addition

Multiplication

Division

Subtraction

In general matrices do not satisfy

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

Given X, Y are any two sets such that number of elements in X=28, number of elements in set Y=28, and number of elements in set X∪Y=54, then number of elements in set X∩Y=

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-7 + 2i

7 + 2i

7-2i

√53

The angle a (0° < a< 180°) measured counterclockwise from positive x-axis to a non-horizontal straight line / is called the

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Rotation

Inclination

Radian

None

d/dx (3y⁴) =

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12y³ dy/dx

8y³

8y³ dy/dx

12y³

Any point where f is neither increasing nor decreasing and f(x) =0 at that point is called a

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Minimum

Maximum

Stationary point

Constant

If Cosα = 3/5, Cosβ = 5/13, then

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Cos(α +β) =33/65

Sin(α +β) =56/65

sin²(α +β/2) =1/65

Cos(α +β) =63/65

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