Question # 1

3/4 is ______

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An odd number

An even number

A natural number

A rational number

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

i =

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2.333....is a

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Irrational no

Complex no

Rational no

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

1/3 is a decimal

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Recurring

Terminating

Non-terminating

None of the above

Associative law of multiplication

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ab = ba

a(bc) = (ab) c

a(b+c) = ab + ac

(a + b)c = ac + bc

14 is not a

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Prime number

Whole number

Even number

Real number

The set {1,2,3,4......} is called

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Set of natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

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

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Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

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N

r

2r

π

The order axioms are satisfied by set of

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C

C and R

R

None of these

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

0.25 is ______

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An irrational number

A natural number

A prime number

A rational number

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

The√ is used for the

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Positive square root

Negative square root

+ve and -ve square root

Whole number

The identity element with respect to subtraction is

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0

-1

0 and 1

None of thes

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Additive property of inequality

Commutative property

Additive inverse

Additive identity

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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

∀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

(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

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

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

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