Question # 1

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The set of natural no. is closed under

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multiplication

subtraction

difference

division

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Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

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It is not possible to find the exact value of

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π

√9

∛27

√1

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

The symbol of irrational is

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W

N

Q

Q'

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

∀x,y∈ R and x < 0, y < 0, which one is true

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xy < o

xy = o

xy > o

None of these

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additive property

multiplicative property

additive inverse

additive identity

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(a + b)c = a . c + bc

a + b = b + a

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

a(b+ c) = ab + ac

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15

15 i

-15 i

-15

The multiplicative inverse ofx^(-1) is

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x

a-2

0

1

The multiplicative inverse of (a,b) is

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Associate law of addition

Commutative law of addition

Additive identity

Closure law of addition

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0

1

-1

2

π is ______

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A complex number

A rational number

A natural number

An irrational number

If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

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z is purely imaginary

a is any complex number

z is real

None of these

Any recurring decimal represents a

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Irrational no

Integer

Rational no

None of these

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

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

If Z = (1,2), then Z^-1 =?

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(0.2, 0.4)

(-0.2 ,0.4)

(0.2,-0.4)

(-0.2,-0.4)

The equation |x + 4| = x has solution

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x = -2

x = 2

x = -4

x = 4

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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real number

complex number

rational number

irrational number

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

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2ⁿ

2ⁿ²

2.n

n²

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A rational number

An irrational number

An odd number

A prime number

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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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