Question # 1

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Rational

Irrational

Even

Odd

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If f(α) = b2 and g (c) =d where c=b2 then (gof)(a) is

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α

c

b

d

The additive inverse of a matrix A is

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None of these

x = secθ,y = tanθ are the parametric equations of

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Circle

Hyperbola

Ellipse

parabola

If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

For Cosine Rule of any triangle ABC, b²is equal to

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a²- c²+ 2ab cos A

a³+ c³- 3ab cos A

a²+ c²- 2ac cos B

a²- c²4bc cos A

Two circle s1: x2+ y2 +2x- 2y- 7= 0: s2: x2+ y2- 6x+ 4y+ 9= 0

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Touch externally

Touch internally

Intersects each other

Do not intersects

The function whose range consists of just one element is called

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One-One Function

Identity Function

Onto Function

Constant Function

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Through how many radians does the minute hand of a clock turn in one hour

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The eccentricity e of an ellipse is always

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Rational

Real

Irrational

Integer

The solution set of sin x + cos x = 0 is

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Domain of cosec x is ______

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If circumference of circle is divided into 360 congruent parts the angle subtended by one part at the centre of circle is

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1 degree

1 second

1 minute

1 radian

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For every positive integers n 1+5+9+....+ (4n - 3) is

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n(2n - 1)

(2n - 1)

n - 1

n

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

The set of natural no. is closed under

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multiplication

subtraction

difference

division

The set {1,-1, i, -i} form a group under

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Addition

Multiplication

Subtraction

None

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For the parabola the line through focus and perpendicular to the directrix is called

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Tangent

Vertex

Axis

None

The range of the tangent function is

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all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

If either A = 0 or B =0,then Ax2 +By2 +2Gx +2Fy +c =0 represents a

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Circle

Hyperbola

Ellipse

Parabola

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-3

-7

1

0

The set (Z, +) forms a group

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t multiplication

Doesn't form a group

Arithmetic mean between x - 3 and x + 5 is

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x + 1

x + 2

x + 3

x + 4

If e,e′ be the eccentricities of two conics S=0 and S′ =0 and if e2 +e′2 =3 then both S and S′ can be

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Hyperbola

Parabolas

Ellipses

None of these

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