Question # 1

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probability of a certain event is

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0

-1

1

∞

System of linear equations 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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2x + 3

x²+ 3 + c

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The set {1,2,3,4......} is called

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Set of natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

The point of concurrency of the medians of the ΔABC is called its

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Orthocenter

Centriod

Circumcentre

Incentre

Every real number is

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a positive integer

a rational number

a negative integer

a complex number

A class contains nine boys and three girls, in how many ways can the teacher choose a committee of four?

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460

495

272

60

tan (-135°) = ______θ

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0

1

2

3

The period of the trigonometric function y = sin x cos x is

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2π

π

4π

π / 2

The perpendicular bisector of any chord of a circle

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Passes through the centre of the circle

Does not pass through the centre of the circle

May or may not pass through the centre of the circle

None of these

If a > 0 they parabola y2 =-4ax lies in

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I and iv quadrant

I quadrant

II and III quadrant

All are incorrect

xy= 2 is:

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a constant function

an identity function

an improper function

implicit function

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One minute is denoted by

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1⁰

1'

1"

None of these

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If (2,0) is the vertex and y-axis is directrix of parabola then focus is

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(2,0)

(-2,0)

(4,0)

(-4,0)

Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

cos (α-β) = cosαcosβ+ sinαsinβis true for all

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α>β> 0

α>β

β>α

None of these

(0,1) is in the solution of the inequality

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3x + 2y > 8

2x - 3y < 4

2x + 3y > 5

x -2y < -5

A circle which touches one side of a triangle extermally and the other two sides produced is called

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In-circle

Circumcircle

e-circle

Point circle

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1

-1

0

I

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square root function

identity function

linear function

quadratic function

If (1+x)ⁿ=C₀+ C₁x +C₂x²+ ......+C_nx¹then C₀C₂+ C₁C₃+ C₂C₄+ .....+C_n-2C_n=

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Which of the following is the subset of all sets?

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The first three terms in the expansion of (1 + x)^-2are ______

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

The period of tan x/7 is

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3π

7π

15π

5π

The fixed point from which all the points of a circle are equidistant is called the

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chord of the circle

centre of the circle

diameter of the circle

radius of the circle

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

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