Question # 1

The set of complex numbers forms

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Commutative group w.r.t addition

Commutative group w.r.t multiplication

Commutative group w.r.t division

Non commutative group w.r.t addition

A function in which the variable appears as exponent is called:

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An identity function

A logarithmic function

an exponential function

A rational function

∀x, y ∈ R, either x = y or x > y or x < y is

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Transitive property

Reflexive property

Trichotomy property

None of these

If sided of𝜟ABC are 16,20,and 33, then the value of the greatests angle to

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150𝜊 20'

132𝜊 35'

101𝜊 25'

160𝜊 50'

If a tangent line touches the function y = f (x) in more than one point then y = f (x) is

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Periodic

Surjective

Bijective

Injective

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ab=-1

ab = 1

ab = 2

None

For any two sets A and, A ⊆ B if

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x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

A,G,H are in

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A.P

G.P

H.P

None of these

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n(n-1)(2n-1), for all natural numbers n, is divisible by

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12

6

2

18

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

2x + y = 2 is:

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(2,6)

(6,2)

(-2,2)

(2,-2)

A polynomial of arbitrary degree

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f(x) = o

f(x) = x

f(x) = a

f(x) = ax + b,a ≠ 0

The value of x for which the polynomials x2 - 1 and x2 -2x + 1 vanish simultaneously is

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2

1

-1

-2

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

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1 + x + x²

1 - x - x²

-1 -x + x²

1 - x + x²

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

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8

4

64

A vector of magnitude zero is called

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Position vector

Null vector

Free vector

None of these

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x³⁹

40x³⁹

40x⁴¹

none of these

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0

1

-2

10

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