Question # 1

π is the ration of

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Area of a circle to its diameter

Area of a circle to its radius

Circumference of a circle to its diameter

Circumference of circle to its radius

A prime number can be a factor of a square only if it occurs in the square at least

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Once

Thirce

Twice

None of these

Every irrational number is

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A real number

A prime number

A natural number

An integer

i is equal

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(1 , 0)

(0 , 1)

(1 , 1)

(0 , 0)

Any recurring decimal represents a

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Irrational no

Integer

Rational no

None of these

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Additive property of inequality

Commutative property

Additive inverse

Additive identity

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A complex number

A rational number

A natural number

An irrational number

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6 is

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A prime integer

An irrational number

A rational number

An odd integer

The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

There is no element common in

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N and W

E and W

N and O

Q and Q'

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0

1

-1

None of these

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

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Negative

Possitive

Opposite

Similar

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

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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The negative square root of 9 can be written as:

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-√9

√9

√18

-√18

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

Every natural number is

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A prime number

An irrational number

An integer

An even number

(a^-1)^-1=

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a^-1

a

-a

None of above

In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

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Reflexive property

Symmetric property

Transitive property

Additive property

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

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A positive integer

A negative integer

A natural number

An irrational number

1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

∀ a ε R ∃ o ε R such that a + v = 0 + a = a is property of

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

The square roots of negative numbers is called

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Real no

Complex no

Positive no

Negative no

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

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

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