Question # 1

The range of the function f : x→ y is defined by

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{x| y = f (x) ∀x∈ X ∧y∈y}

{(x,y) |y = f (x)∀x∈ X}

{y|y = f (x) ∀x∈ X ∧y∈y}

Y

Which shape of the following objects are approximately parabolic ares?

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Light reflectors

Force

Weight of the pendul

None of these

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0

Independent of a

Independent of b

Independent of c

Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

Which of the following is not a solution of system of inequalities 2x- 3y ≤6,2x +y≥ 2,x +2y≤ 8, x≥ 0,y ≥ 0

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(1,0)

(0,4)

(3,0)

(8,0)

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

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sin h x

cos h x

sec h x

cosec h x

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A

-A

A^t

A^-

Ifα,βare the roots of ax²+ bx + c = 0 andα+ h,β+ h are the roots of px²+ qx + r=0, then h =

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0

1

8

∞

{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

The set of the first elements of the ordered pairs forming a relation is called its

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Function on B

Range

Domain

A into B

The graph of a linear function is

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a circle

triangle

a straight line

none of these

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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

If (x₁, y₁) and (x₂,y₂) are the end points of a diameter then the centre of the circle is

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1

-1

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perpendicular vectors

concurrent vectors

parallel vectors

none of these

The third term of a G.P. is the square of first term. If the second term is 8, then the 6th term is

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120

124

128

132

If the points (a,2b):(c,a+b):(2c-a,h) lie on the same line then

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h=2a

h=a+b

h=ab

h=ac

If n is a negative integer n! is

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1

0

Unique

Not defined

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0

1

x²+ x - 5 = 0 is

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A polynomial

An inequality

An identity

None

If 4 sin²θ=1, then values ofθare

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The sum of all even numbers less than 100 is

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2450

2352

2272

2468

A square matrix A for which A^t= -A is called a

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Column matrix

Symmetric matrix

Skew-symmetric matrix

Row matrix

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3/4

r

v

None of these

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A triangle has six

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side

elements

angle

tangents

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a sec(ax + b) + c

- a sec(ax + b) + c

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