Question # 1

∀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

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∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

6 is

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A prime integer

An irrational number

A rational number

An odd integer

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The multiplicative inverse of (a,b) is

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If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

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15

15i

-15i

-15

i² =

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1

2

-1

0

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

The square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

(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

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3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

In R, the additive identity is

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0

1

-1

None

Name the property used in 4.1 + (-4.1) = 0

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Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

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

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2ⁿ

2ⁿ²

2.n

n²

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

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(4,4)

(10,4)

(9,-5)

(7,3)

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

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√3 i

√7

-2-i

√5

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.

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Fractinal numbers

Rational Numbers

Even Numbers

Whole Numbers

The multiplicative inverse of 1 - 2i is

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∀x,y∈R and x> 0 , y>0, if x > y

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None of these

The symbol of irrational is

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W

N

Q

Q'

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additive property

multiplicative property

additive identity

multiplicative identity

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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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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Associate law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

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