Question # 1

If b²- 4ac = 0 then the roots of the equation are

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Real and distinct

Real and equal

Imaginary

None of these

3/2 is

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An irrational number

Whole number

A positive integer

A rational number

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-1

0

1

Undefined

In natural logarithm the base is

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1

0

10

e

probability of a certain event is

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0

-1

1

∞

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28 / 81

28 / 243

81 / 28

243 / 82

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A

B

A'

None of these

The multiplicative inverse of -3i is

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3i

-3i

-1/3i

1/3 i

If (a, b) is the mid-point of a chord passing thro' the vertex of the parabola y²= 4x, then

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a = 2b

2a = b

a²= 2b

2a = b²

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-x

Infinite set

{-4, 4}

None of these

If the roots of ax²+ bx + c = 0 (a > 0) be greater than unity, then

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a + b + c = 0

a + b + c > 0

a + b + c < 0

None of these

The general term in the expansion of (a+x)n is

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(r-1)th term

(r+1)th term

rth term

none

The point _________ is in the solution of the inequality 2x + 3y < 5

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(1,1)

(2,2)

(0,1)

(0,2)

Sin h^-1x = _________

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The seventh term of (x3+1/x)8is

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71

-22

27

28

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The real numbers which satisfy an inequality form its

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solution

coefficient

domain

range

Which of the following integrals can be evaluated

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The points A(+1,-1),B(3,0),C(3,7),D(1,8) are vertices of

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Square

Parallelogram

Rectangle

Trapezium

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Additive property of inequality

Commutative property

Additive inverse

Additive identity

If the terminal rays of an angle falls on any axis then the angle is called

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Allied angle

Acute angle

Standard position

Quadrantal angle

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

6 is

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A prime integar

An irrational number

A rational number

An odd integer

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The nth term of an A.P., is 12-4n. Its common difference is

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8

4

16

The line through the focus and perpendicular to the directrix is called ______ of the parabola

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axis

focal chord

tangent

latus rectum

14 is not a

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Prime number

Whole number

Even number

Real number

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A^-

A^t

-A

A

For an A.P common difference d

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Can be zero

May or may not zero

Cannot be zero

None of these

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i^-(4n+2)= -------------------------------

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1

i

-1

-i

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