Question # 1

If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

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)

(a,0) x (c, 0) =

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(0,ac)

(ac, 0)

(0,0)

(a, c)

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(a + b)c = a . c + bc

a + b = b + a

(a + b) + c = a + (b + c)

a(b+ c) = ab + ac

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(x, y)

(kx, y)

(x, ky)

(kx, ky)

Every real number is

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a positive integer

a rational number

a negative integer

a complex number

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Additive property of inequality

Commutative property

Additive inverse

Additive identity

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

If z = (x,y) , then z ̅ =

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(-x,y)

(x,-y)

(-x, -y)

None of these

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

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In (x +iy) y is called as

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Imaginary part

Complex number

Real part

None of above

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

The set {1, 2, 3, 4, ....} is called

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Set of Natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

The equation |x + 4| = x has solution

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x = -2

x = 2

x = -4

x = 4

√25 is a number

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Rational

Irrational

Natural

Odd

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1

-1

In R, the multiplicative inverse of a is

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0

1

-a

1/a

In R, the additive inverse of a is

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0

1

-a

1/a

a.a^-1 = a^-1.a = 1 is a

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Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

O is ______

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A positive integer

A negative integer

A natural number

An integer

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If z₁ = (a,b), z₂=(c,d), then z₁ z₂ = -------------------

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(ac,bd)

(ac+bd, ad-bc)

(ac-bd , ad+bc)

(ac-bd , ad-bc)

i² =

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1

2

-1

0

The square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

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None of these

√2 is a number

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Rational

Irrational

Even

Odd

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A natural number

A rational number

An irrational number

A whole number

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

π is the ration of

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Area of a circle to its diameter

Area of a circle to its radius

Circumference of a circle to its diameter

Circumference of circle to its radius

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