Question # 1

The property used in -3 <-2 ⇒0 <1

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Commutative property

Additive property of inequality

Additive inverse

Additive identity

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Closure law of addition

Closure law of multiplication

Commutative law of addition

Commutative law of multiplication

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1

3

2-i

-1

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

0.25 is ______

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An irrational number

A natural number

A prime number

A rational number

Name the property used in 1000 x 1 = 1000

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additive inverse

multiplicative inverse

additive identity

multiplicative identity

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Gooch crucible is made of :

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Brass.

Porcelain.

Bronze.

Gold.

Any whole number can be written as a product of factors which are

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Even number

Odd numbers

Prime number

Rational number

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

Q∪ Q' =

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Q

Q'

N

R

(a+bi) - (c+di)=

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(a+b) = (c+d)

(a+c) + i(b+d)

(a - c) + (c- d)i

(a - c)+ (b - d)i

24 can be written as a product of

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Odd factors

Even factors

Whole factors

Prime factors

The set of natural no. is closed under

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multiplication

subtraction

difference

division

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Rational

Irrational

Natural

Odd

(a^-1)^-1=

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a^-1

a

-a

None of above

If Z₁= 1 + i, Z₂= 2+3i, then |Z₂- Z₁| = ?

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If Z₁ = 1+ i, Z₂ = 2+3i , then |Z₁ -Z₂| =?

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√5

√7

-1-2i

√3

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of above

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Rule of quotient of fraction

Golden rule of fraction

Rule for product of fraction

Principle for equality of fraction

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

i =

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√1

√2

√-2

√-1

The identity element with respect to subtraction is

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0

-1

0 and 1

None of thes

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Golden rule of fractions

If Z = (1,2), then Z^-1= ?

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(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

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A rational number

A natural number

An irrational number

An integer

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

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2ⁿ

2ⁿ²

2.n

n²

∀x,y,z ∈ R and z 0,then

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x > y ⇒ xz > yz

x<y ⇒ xz < yz

x < y ⇒ xz > yz

None of these

(7, 9) + (3, -5) =

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(4, 4)

(10, 4)

(9, -5)

(7, 3)

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