Question # 1

In R the number of identity elements w.r.t.'.' is

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One

Two

Three

Four

∀a,b, c ε R,a +c = b + c = > a = b

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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

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Additive property

Transitive property

Trichotomy property of inequality

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The solution set of the equation |3x + 2| = 5 is

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If in a set of real no a is multiplicative identity then

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a,a = a²

a,a = 1

a,a = 0

None of these

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A positive integer

A negative integer

A natural number

An irrational number

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

Which of the following has the same value as i¹¹³?

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i

-1

-i

1

√(-1b) =?

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b i

-i b

b2

i√b

The property used in -3 <-2 ⇒0 <1

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Commutative property

Additive property of inequality

Additive inverse

Additive identity

The set of rationals numbers between 0 and I is

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Finite

Null set

Infinite

None of these

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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a = a

a < a

a > a

a²= a

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Rational

Irrational

Natural

Odd

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

The square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

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

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Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

I is not

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Real number

Natural number

Prime Number

Whole Number

The equation |x +4| = x has solution

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x = -2

x = 2

x = -4

x = 4

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

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√3 i

√7

-2-i

√5

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1

-1

QUQ, =

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N

R

W

Z

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Geometrically the modulus of a complex number represents its distance from the

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Point (1,0)

Point (0,1)

Point (1,1)

Point (0,0)

In R the left cancellation property w.r.t addition is

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A non-terminating non_recurring decimal represents an

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Irrational no

Both a & c

Rational no

None of these

(a, b) + (-a, -b) =

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(0,0)

(a, b)

(-a, -b)

(1, 1)

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(a + b)c = ac + bc

a + b = b + a

(a + b) + c = a + (b + c)

a(b +c) = ab + ac

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

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real part of z

imaginary part of z

conjugate of z

modulus of z

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

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