Question # 1

A key ring is an example of

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Permutation

Circular permutation

Combination

None

Geometrically, the modulus of a complex number represents its distance from the

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Point (1, 0)

Point (0, 1)

Point (1, 1)

Point (0, 0)

Cos-1 (-x) =

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-x

1/x

tan-1 x

π-cos-1 x

3j . k x i

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0

1

3

9

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a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

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y/x

x/y

y/z

None

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

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Rational

Irrational

Complex

None of these

The sample space for tossing a coin twice is

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{H, T}

{HH, HT, TH, TT}

{H, T, HH}

{HH, HT, TT}

The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called

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Constant function

Polynomial function

Identity function

Linear function

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0

1

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