Question # 1

3x + 4 < 0 is

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inequality

equation

identity

not inequality

The vector i = [1,0] is called unit vector along:

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x-axis

y - axis

z- axis

Botha a and y-axis

If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

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perpendicular vectors

concurrent vectors

parallel vectors

none of these

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-1

0

1

Undefined

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1

1/2

0

None

The set R is ........w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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0

1

-1

2

The n numbers A₁,A₂,A₃,.....A_nare called an arithmetic means between a and b if a.A₁,A₂,A₃.....A_n, b is ______

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An arithmetic series

An arithmetic sequence

A geometric sequence

A harmonic sequence

What is range of the function g (x) =|x-3|?

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[0 ,∞ )

(0 ,∞)

(-∞ ,3]

[0,∞)

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3 sec²x

3 sec²3x

sec²3x

sec²x

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Domain of cotθis

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

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

An integer is chosen at random from the number ranging from 1 to 50. the probability that the integer chosen is a multiple of 2 or 3 or 10 is

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3 / 10

5 / 10

7 / 10

9 / 10

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The solution of differential equation:

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dy/dx+y/x = x²is :

4xy = x⁴+ c

4x = x⁴= c

4 y = x⁴+ c

4x=4x³ + c

If n∈Z+ then(a+x)n is a/an

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Finite series

Convergent series

Infinite series

Divergent series

Period of sec x is ______

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What is the period of cos 6x =?

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π/2

π/3

π/4

π

the largest degree of the terms in the polynomials is called

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terms of the polynomial

degree of a polynomial

co-efficient

monomial

Each complex cube root of unity is square of

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itself

1

-1

the other

The coefficient of the second term of (a+b)⁴ is

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1

9

3

5

A square matrix all of whose elements except the main diagonal are zeros is called a

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Null matrix

Singular matrix

Symmetric matrix

Diagonal matrix

Write the first four terms of the sequence if a_n= (-1)ⁿn²

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-1, 4, -9, 16

1, -4, 9, 16

1, 4, 9, 16

None of these

An improper rational fraction can be reduced by division to a

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Proper fraction

Polynomial

mixed form

The parabola y2 + 2y + x = 0 lie in _____ quadrant.

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First

Second

Third

Fourth

Associative law of multiplication

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ab = ba

a(bc) = (ab) c

a(b+c) = ab + ac

(a + b)c = ac + bc

If in a set of real no a is additive identity then

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a+a = 2a

a+a = 1

a+a = 0

None of these

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5 / 12

3 / 8

5 / 8

7 / 4

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