Question # 1

If the radius of a circle is increased by 1 then area of circle will be

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π r2

π(r+1)2

π r2 +1

2π (r+1)

If distance of (a,b) from origin is 5 then

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a²+ b²=5

a = 5

b = 5

∫x sin xdx is equal to:

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sin x/x + cos x

sin x - cos x/x

x cos x + sin x

- x cos x + sin x

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A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

Which is a proper rational fraction

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The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

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1

0

3

-1

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Less then 1

Equal to 1

Greater than 1 but less then 2

Greater then or equal to 2

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Which of the following is a quadrantal angle

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100°

200°

170°

270°

Range of 2 tan x is ______

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[-2, 2]

-1 < x < 1

R

None of these

The negation of a number

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a relation

a function

unary operation

binary operation

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The maximum value of 12 sinθ-9 sin²θis x

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3

4

5

None of these

The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2π] is

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0

1

2

3

System of linear equation is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

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If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the curve of intersection is

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an ellipse

a hyperbola

a circle

a parabola

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0

1

-1

None

A function whose domain is a subset of natural numbers is called ______

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Identity function

Sequence

Onto function

Series

If the matrices A and B are conformable for multiplication then (AB)^t= ______

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AB

A^tB^t

B^tA^t

A^tB

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

cos (180° -θ)=

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sinθ

- cosθ

- sinθ

None of above

The line l is horizontal if

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m is undefined

m=0

m=1

m=0-1

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The solution set of the inequality ax + by < c is

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straight line

half plane

parabola

none of these

If Z₁= 1 + i, Z₂= 2+3i, then |Z₂- Z₁| = ?

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Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

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