Question # 1

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6 is

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A prime integar

An irrational number

A rational number

An odd integer

Name the property used in a (b-c) = ab - ac

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commutative property of multiplication

distributive property of multiplication

associative property of multiplication

multiplicative inverse

6 is

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A prime integer

An irrational number

A rational number

An odd integer

What is the conjugate of -7 -2i?

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-7 + 2i

7 + 2i

7 -2i

None of these

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∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is

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Trichotomy property

Transitive property

Symmetric property

Additive property

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N

r

2r

π

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

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

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i³ =

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-1

i

-i

1

A non-terminating non_recurring decimal represents an

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Irrational no

Both a & c

Rational no

None of these

a.a^-1 = a^-1.a = 1 is a

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Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

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A rational number

A irrational number

An even integer

A factor of 36

The additive inverse of 0 is

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1

-1

0

Does not exist

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

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Negative

Possitive

Opposite

Similar

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additive property

multiplicative property

additive identity

multiplicative identity

Every real number is

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a positive integer

a rational number

a negative integer

a complex number

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

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Addition

Both a & c

Multiplication

None of these

∀ z ∈ C, multipliucative is

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(1,1)

(1,0)

(0,1)

None of these

i =

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O is ______

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A positive integer

A negative integer

A natural number

An integer

(a-1)-1 =

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a-1

a

-a

None of above

(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

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

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2ⁿ

2ⁿ²

2.n

n²

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

Name the property used in 100 + 0 = 100

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Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

∀a,b, c ε R ac = bc ⇒ a = b, c ≠ 0 is a

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Symmetric property

Cancellation property w.r.t multiplication

Reflexive property

Transitive property

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