Question # 1

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quadratic function

constant function

trigonometric function

linear function

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0

1

1/2

An experiment yields 3 mutually exclusive and exhaustive events A, B, C, if P(A) =2 and P(B) = 3. then P(C) =

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1 / 11

2 / 11

3 / 11

6 / 11

If z₁ = (a,b), z₂=(c,d), then z₁ z₂ = -------------------

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(ac,bd)

(ac+bd, ad-bc)

(ac-bd , ad+bc)

(ac-bd , ad-bc)

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cos 2x + c

- cos 2x + c

tan 2x + c

cot 2x + c

If the roots of x²+ ax + b = 0 are non-real, then for all real x, x²+ ax + b is

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Negative

Positive

Zero

Nothing can be said

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If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =

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5

{-3,-2,-1,0,1,2,3,4,5,6}

8

9

Roots of the equation x²- x = 2 are

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{2, -1}

{1, 0}

{2, 1}

{-2, 1}

The domain of the principle cos function is

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If a₁, r and a_nare the first term, common ratio and the nth term respectively of a G. P. then a_n=

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a₁rⁿ

a₁r^n-1

a₁rⁿ⁺¹

a₁r

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If a plane passes through the vertex of a cone then the intersection is

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an ellipse

a hyperbola

a point circle

a parabola

sec (-360°) = ______

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0

1

2

3

The square of the distance between two points P(x₁, y₁) and Q(x₂, y₂) is

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tan(cot^-1x) is equal to

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cot(tan^-1x)

tan x

secon x

None of these

An open sentence formed by using the sign of equality "=" is called

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Equation

In equation

True sentence

False sentence

Zero is

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An irrational number

A rational number

A negative integer

A positive number

The point of concurrency of the angle bisectors of a triangle is called

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incentre

circumcentre

e-centre

centroid

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Sec 30° = ______

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Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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c = 0

c = -1

c = -2

c = 1

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The 6th term of an arithmetic sequence whose first term is 3 and common difference in zero is

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18

6

3

0

For all points (x,y) in second quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

If θ be angle between u,v and u,v determine the sides of a triangle then the third side opposite to angle θ has length

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|u+v|

|u|+|v|

|u-v|

|u|-|v|

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quadratic function

constant function

linear function

exponential function

If the line 2x -y +k =0 is a diameter of the circle x2 +y2 +6x -6y +5 =0 then k is equal to

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12

9

6

3

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

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