Question # 1

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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Principle of equality of fractions

Rule for product of fractions

Golden rule of fractions

Rule for quotient of fractions

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

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A rational number

An irrational number

An odd number

A prime number

The multiplicative inverse of 1 is

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1

-1

0

Does not exist

The symbol of irrational is

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W

N

Q

Q'

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N

r

2r

π

i =

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√1

√2

√-2

√-1

6 is

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A prime integar

An irrational number

A rational number

An odd integer

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

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A positive integer

A negative integer

A natural number

An irrational number

If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

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Rational

Irrational

Even

Odd

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

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1

3

2-i

-1

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6 is

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A prime integer

An irrational number

A rational number

An odd integer

0.25 is ______

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An irrational number

A natural number

A prime number

A rational number

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

The symbol of irrational is

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W

N

Q

Q'

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

The identity element with respect to subtraction is

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0

1

-1

Does not exist

Multiplicative inverse of 0 is

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0

1

±1

Does not exist

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The value of x and y when (x + iy)2 = 5 - 4i

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x = 2, y = -1

x = -2, y = 1

x = 2, y = -i

x = 2, y = 2

√25 is a number

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Rational

Irrational

Natural

Odd

Associative law of multiplication

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ab = ba

a(bc) = (ab) c

a(b+c) = ab + ac

(a + b)c = ac + bc

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Golden rule of fractions

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

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Addition

Both a & c

Multiplication

None of these

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