Question # 1

The equation of the circle with centre origin and radius r is

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x²+ y²= 1

x²+ y²= r²

x²+ y²= 0

x²- y²= r²

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0

1

-2

10

The ellipse and hyperbola are called

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Concentric conics

Central conics

Both a b

None

The element range of sequence are called

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Series

progression

Members

Terms

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(a-1)-1 =

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a-1

a

-a

None of above

The maximum value of the quadratic function f(x) = 2x2-4x+7,is

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3

5

-3

-5

Range of sinθis

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Range of cos x is ______

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[-1, 1]

R

Negative real numbers

R - { x | - 1 < x < 1}

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x = r2, y = 1 are the parametric equation of

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Circle

Hyperbola

Ellipse

Parabola

InΔABC if y = 90° then the Pythagoras theorem is

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b2 + c2 =a2

a2 + b2 = c2

a2 +c2 = b2

None of these

The sum of all 2 digit number is

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4750

3776

4895

4905

f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

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- x

Infinite set

Φ

{-4,4}

An equation which holds good for all values of variables is called

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Equation

Conditional equation

Constant

None

The 31 term of the A.P 5,2,-1.....is

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-82

82

85

-85

If B⊆ A, then complement of B in A is = -----------------------

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A-B

A∩B

B-A

A∪B

The point lying on the terminal rat of -270° is

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(1,0)

(0,-1)

(0,1)

(-1,0)

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0 (zero) is

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An irrational number

A rational number

A negative integer

A positive number

If a,b,c are unit vectors then |a + b|2 +|a - b|2

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4

8ab

9cos

4(a,b)

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8

4

64

The equation of the line perpendicular to x- axis and passing through (-5,3) is

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y -3 =0

x+ 3 =0

y- 3 =∞

x +5 =0

General solution of 1 + cos x = 0 is

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2

-3/2

1

0

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A

A'

U

None of these

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

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0

1

2

To each element of a group there corresponds ............. inverse element

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Two

One

No

Three

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