# Mathematics/Mathematics MCQs Set-5 Sample Test,Sample questions

1.natural

2.irrational

3.rational

4.whole

1.True

2.False

1.True

2.False

1.True

2.False

## Question: ```An irrational number has ________ ```

1.Non-terminating decimal

2.Non-repeating decimal

3.Non-terminating and non-repeating decimal

4.Terminating decimal

1.True

2.False

1.5 + 4√6

2.5 + 2√6

3.1

4. 5

1.24

2.2

3.12

4. 74

1.26

2. 24

3.28

4.0

1.True

2.False

1.True

2.False

## Question: ```Find the incorrect option (Assume conventional notations). ```

1.Q = p/q where p and q are integers and q=0

2.N = {1, 2, 3…}

3.W = {0, 1, 2, 3…}

4.Z = {…-2, -1, 0, 1, 2…}

## Question: ```Four numbers whose sum is 40 and sum of their squares is 480. What are the four numbers? ```

1.4, 8, 12, and -16

2.4, 8, 12, and 16

3.-4, 8, 12, and 16

4.4, -8, 12, and 16

1.Six

2.Four

3.Infinite

4.Five

1.50

2.45

3.40

4.42

1.-11

2.-12

3.12

4.11

1.Four

2.Zero

3. Seven

4.Three

## Question: ```If A-B=B-A then A and B are ____________ ```

1.equivalent sets

2.equal sets

3.disjoint sets

4.empty sets

## Question: ```If R is the set of real numbers and S is the set of rational numbers, then what is R – S? ```

1.Set of integers

2.Set of whole numbers

3.Set of irrational numbers

4.Set of complex numbers

1.{1,2,3,4,5,6}

2.{3,4}

3.{1,2}

4.{5,6}

1.{1,2,3,4,5,6}

2.{3,4}

3.{1,2}

4.{5,6}

1.True

2.False

1.4

2.3

3.5

4.1

## Question: ```If we add or subtract an irrational number and a rational number (non-zero), then we get a/an __________ number. ```

1.natural

2.rational

3. irrational

4.rational or irrational

## Question: ```If we add or subtract two irrational numbers, we get __________ number. ```

1.natural

2.rational

3.irrational

4.rational or irrational

1.True

2.False

## Question: ```If we multiply or divide two rational numbers, we get a/an __________ ```

1.natural number

2.whole number

3.rational Number

4.irrational number

1.N

2.W

3.Q

4.Z

1.N

2.Z

3.Q

4.S

1.natural

2.irrational

3.rational

4.negative

1.True

2.False

1.R

2.W

3. Q

4.N

1.True

2.False

## Question: ```Summation or Subtraction of rational number and irrational number is always a/an __________ number. ```

1.natural

2.whole number

3.rational number

4.irrational number

## Question: ```Summation or Subtraction of two non-zero rational numbers is a/an __________ ```

1.natural number

2.whole number

3. rational Number

4.irrational number

1.zero

2.2

3.3

4.infinite

1.30

2.-34

3.34

4.-30

1.True

2.False

1.True

2.False

## Question: ```The sum of 5 numbers in AP is 10 and their product is 80. What are the five numbers? ```

1.2 + 2√6, 2 + √6, 2, 2 – 2√6, 2 – √6

2.2 + 2√6, 2 + √6, 2 – 2√6, 2 – √6

3.2 + 2√6, 2 – √6, 2, 2 – 2√6, 2 – √6

4.2 + 2√6, 2, 2 – 2√6, 2 – √6

1.10000

2.14400

3.10500

4.12100

1.345

2.245

3.275

4.285

1.200

2.580

3.620

4.440

1.1

2.0

3.2

4.3

1.-24

2.24

3.27

4.-27

## Question: ```The sum of three numbers is 30 and their product 750. What are the three numbers? ```

1.-2, -6 and -10

2.2, 6, and 10

3.5, 10 and 15

4.-5, -10 and -15

1.False

2. True

1.False

2.True

## Question: ```There are _________ rational numbers between 2 and 3. ```

1.zero

2.two

3.infinite

4.data is insufficient

1.247050

2.269450

3.269350

4.269580

1.567898

2.729810

3.765835

4.234526

1.3.5

2.7

3.0

4.-2

1.8/9

2.5/7

3.-3/2

4.√2

## Question: ```Which of the following option is correct according to the below statements? i) Every rational number is real number. ii) Every real number is rational number. ```

1.Both statements are correct

2.Statement (i) is correct and statement (ii) is incorrect

3.Statement (i) is incorrect and statement (ii) is correct

4.Both statements are incorrect

## Question: ```Which of the following option is true based on the below statements? i) All integers are rational numbers. ii) All rational numbers are integers. ```

1.Both statements are true

2.Statement (i) is true and Statement (ii) is false

3.Statement (i) is false and Statement (ii) is true

4.Both statements are false

## Question: ```Which of the following type of numbers are closed under only multiplication? ```

1.Rational Numbers

2.Integers

3.Whole Numbers

4.Natural Numbers

1.32

2.35

3.30

4.33

1.22

2.21

3.23

4.24

1.False

2.True

## Question: ```[….., -1, 0, 1, …….] the given set shows which type of numbers? ```

1.Rational numbers

2.Integers

3.Natural numbers

4.Whole numbers

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