Question # 1

An infinite arithmetic series is always

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Convergent

Oscillatory

Divergent

None of these

Roots of the equation x²- 7x + 10 = 0 are

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

A quadratic equation has two

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roots

degree

variables

constants

the latus rectum of the parabola x³= -4ay is:

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x = a

y = -a

x = -a

y = 0

Q∪ Q' =

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Q

Q'

N

R

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If A is a non singular matrix then A^-1= ______

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The symbol of irrational is

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W

N

Q

Q'

The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

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The solution set of x²- 5x + 6 = 0 is

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{1, 3}

{2, 3}

{1, 2}

None of these

What is the period of tan 4/3 x =?

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π/4

4π/3

7π/4

3π/4

Sequence also called..............

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Series

Function

progressions

Elements

The distance between the points (0,0) and (x,y) is

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x²+ y²

x

y

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Polynomial

Equation

Improper rational fraction

Proper rational fraction

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

O is ______

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A positive integer

A negative integer

A natural number

An integer

The equation of a line parallel to the tangent to the circle x²+ y²= 16 at the point (2, 3) and passing thro' the origin is

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2x + 3y = 0

2x - 3y = 0

3x + 2y = 0

3x - 2y = 0

The distance of the point (2,3) from y-axis is

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2

3

5

If (0, 0) and (1, 0) are the end points of a diameter, then the equation of the circle is

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The latus rectum of the ellipse 5x²+ 9y²= 45 is

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10 / 3

5 / 3

3 / 5

3 / 10

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all are correct

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The corner point of the boundary lines, x- 2x

x+2y=10 is:

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(8,1)

(1,8)

(6,10)

(3,5)

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none of these

The roots of the equations will be equal if b²- 4ac is

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Positive

Negative

1

Zero

The domain of y = cos-1 x is

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-∞ < x < ∞

-1≤ x≤ 1

x≤ -1 or x ≥ 1

None of these

The sum of n terms of a series is denoted by

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d

n

S_n

a_n

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