Question # 1

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0

2

4/3

5/3

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2

4

8

12

For three consecutive terms in A.P middle term is called

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A.M

nth term

Central term

None of these

Roots of the equation 2x²- 7x + 3 = 0 are

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Rational

Irrational

Complex

None of these

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None of these

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Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

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a

2a

3a

4a

The distance of the point (2.3) from x-axis is

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2

3

5

The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

For all positive integral value of n,3ⁿ< n! , when

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n> 6

n< 6

n<11

n>11

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

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2

-2

3

1

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The period sin²θis

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π²

π

2π

π/2

The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are

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The period of tan x/7 is

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3π

7π

15π

5π

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0

20

90

80

The square matrix A is skew-symmetric when At =

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-B

-C

-A

-D

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

The graph of the quadratic equation is

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Straight line

Circle

Parabola

elipse

All letters of the word "AGAIN" are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary, then the 50th word is

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NAAGI

NAAIG

IAANG

INAGA

Domain of sec x is ______

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Ifπ≤x≤2π, then cos-1 (cos x)=

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cos x

-x

1/x

-x

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I

|A|

|A| I

None of these

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Reflexive property

Symmetric property

Transitive property

Additive property

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The roots of (x - a)(x - b) = ab x2 are always

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Real

Depends upon a

Depends upon b

Depends upon a and b

A rectangular hyperbola whose centre is C is cut by any circle of radius r in four points P, Q, R and S. Then CP²+ CQ²+ CR²+ CS²=

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r²

2 r²

3 r²

4 r²

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

Range of cosecθis

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W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

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