Question # 1

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0

1

-1

None of these

Q∪ Q' =

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Q

Q'

N

R

4/√49 is a

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Irrational Number

Prime Number

Rational number

Whole number

If 4 > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

None of above

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Name the property used in 4 + 9 = 9 + 4

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

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Reflexive property

Symmetric property

Transitive property

Additive property

√11 is

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an irrational number

Rational number

odd number

Negative number

The set { 1 , -1} is closed w.r.t.

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Addition

Multiplications

Subtraction

None of these

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

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Additive property

Transitive property

Trichotomy property of inequality

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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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

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Every natural number is

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A prime number

An irrational number

An integer

An even number

Any recurring decimal represents a

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Irrational no

Integer

Rational no

None of these

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

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(0,ac)

(ac, 0)

(0,0)

(a, c)

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

i^-(4n+2)= -------------------------------

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1

i

-1

-i

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Principle of equality of Fractions

Rule for product of fraction

Golden rule of fraction

Rule of quotient of Fraction

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

QUQ'

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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

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15

15 i

-15 i

-15

I is not

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Real number

Natural number

Prime Number

Whole Number

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1

-1

i¹⁰¹ =

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i

i²

-i

-1

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

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ECAT Pre General Science Mathematics Chapter 1 Number System Online Test MCQs With Answers

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