Question # 1

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

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None of these

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t. to addition

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1

-1

What is the conjugate of -7 -2i?

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-7 + 2i

7 + 2i

7 -2i

None of these

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Closure law of addition

Closure law of multiplication

Commutative law of addition

Commutative law of multiplication

Name the property used in 100 + 0 = 100

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Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

In R, the additive inverse of a is

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0

1

-a

1/a

The value of x, and y, when (x + iy)²= 5 + 4i

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X = 2, y = -1

X = -2, y=1

X = 2, y = -1

X = 2, y = 2

The symbol of irrational is

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W

N

Q

Q'

If a > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

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(a + b)c = ac + bc

a + b = b + a

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

a(b +c) = ab + ac

The set of positive integers, 0 and negative integers is known as the set of

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Natural numbers

Rational numbers

All integers

Irrational numbers

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15

15 i

-15 i

-15

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Golden rule of fractions

In R the number of identity element w.r.t '+' is

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One

Two

Three

Four

The symbol of irrational is

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W

N

Q

Q'

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are real no

both are not real

are imaginary no

both are imaginary

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1

-1

Which element is the additive inverse of (a,b) in Complex numbers

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(a,0)

(0,b)

(a,b)

(-a,-b)

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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

14 is not a

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Prime number

Whole number

Even number

Real number

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

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The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

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It is not possible to find the exact value of

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π

√9

∛27

√1

For any real numbers x,y,xy=o ⇒

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x ≠ 0 ∧ y ≠ 0

x = 0 ∨ y = 0

x = 0

y = 0

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