Question # 1

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

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

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Additive property

Transitive property

Trichotomy property of inequality

The additive inverse of 1 is

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1

-1

0

Does not exist

If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

The identity element with respect to subtraction is

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0

-1

0 and 1

None of thes

The symbol of irrational is

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W

N

Q

Q'

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15

15 i

-15 i

-15

For any real numbers x,y,xy=o ⇒

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x ≠ 0 ∧ y ≠ 0

x = 0 ∨ y = 0

x = 0

y = 0

In R, the multiplicative inverse of a is

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0

1

-a

1/a

3/4 is ______

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An odd number

An even number

A natural number

A rational number

QUQ, =

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N

R

W

Z

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

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

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Negative

Possitive

Opposite

Similar

i¹⁰¹=

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i

i²

-i

-1

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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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A complex number

A rational number

A natural number

An irrational number

If z=(x,y) then z has no multiplicative inverse when

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x ≠ 0, y = 0

x = 0, y = 0

x = 0, y ≠ 0

None of these

i⁹ =

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i²

-1

1

i

If ∀a,b ε R,then a +b ε R is a property

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

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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 rational number is represented by

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W

R

Q'

Q

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

Gooch crucible is made of :

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Brass.

Porcelain.

Bronze.

Gold.

i² =

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1

2

-1

0

The symbol of irrational is

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W

N

Q

Q'

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8

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Associative property of addition

Associative property of multiplication

Additive identity

Multiplicative identity

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1

-1

The set {0,-1} hold closure property under

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Addition

Both a & c

Multiplication

None of these

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

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