# Integers And Set Of Real Numbers Quiz

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Are you aware of integers, whole numbers, and sets of real numbers? Well then, why not test your knowledge with a quick, super fun quiz? Do you think you can answer all the questions without any help? If yes, then give our Math quiz a fair try. Please read the questions carefully before answering. All the questions are compulsory, and your marking will be dependent on the number of answers you get correct. Let's see if you can get a high score on this quiz! You can play this quiz as often as you like. Have fun!

• 1.

### Identify the set(s) to which the number 21 belongs.

• A.

Natural numbers

• B.

Whole numbers

• C.

Integers

• D.

Rational numbers

A. Natural numbers
B. Whole numbers
C. Integers
D. Rational numbers
Explanation
The number 21 belongs to the set of natural numbers because it is a positive whole number. It also belongs to the set of whole numbers because it includes zero as well. Additionally, 21 belongs to the set of integers because it is a whole number that can be positive or negative. Lastly, 21 belongs to the set of rational numbers because it can be expressed as a fraction, 21/1. Therefore, 21 belongs to the sets of natural numbers, whole numbers, integers, and rational numbers.

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• 2.

### Identify the set(s) to which the number -15 belongs.

• A.

Natural numbers

• B.

Whole numbers

• C.

Integers

• D.

Rational

C. Integers
D. Rational
Explanation
The number -15 belongs to the set of integers because it is a whole number that includes both positive and negative numbers. It also belongs to the set of rational numbers because it can be expressed as a fraction, -15/1. However, it does not belong to the set of natural numbers or whole numbers because those sets only include positive numbers.

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• 3.

### Identify the set(s) to which the number 1/2 belongs.

• A.

Natural numbers

• B.

Whole numbers

• C.

Integers

• D.

Rational numbers

D. Rational numbers
Explanation
The number 1/2 belongs to the set of rational numbers because it can be expressed as a fraction, where the numerator is 1 and the denominator is 2. Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

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• 4.

### Identify the set(s) to which the number 0 belongs. (Select all that apply)

• A.

Natural numbers

• B.

Whole numbers

• C.

Integers

• D.

Rational numbers

B. Whole numbers
C. Integers
D. Rational numbers
Explanation
The number 0 belongs to the set of whole numbers because it is a non-negative integer. It also belongs to the set of integers because it can be expressed as a fraction with a denominator of 1. Additionally, 0 is a rational number because it can be expressed as the ratio of two integers.

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• 5.

### Identify the set(s) to which the number -1/8 belongs.

• A.

Natural numbers

• B.

Whole numbers

• C.

Integers

• D.

Rational numbers

D. Rational numbers
Explanation
The number -1/8 belongs to the set of rational numbers because it can be expressed as a fraction, where the numerator is an integer (-1) and the denominator is a non-zero integer (8). Rational numbers are numbers that can be expressed as a fraction of two integers.

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• 6.

### Choose the rational number between 1 and 4.

• A.

2

• B.

3/2

• C.

3

• D.

1/2

B. 3/2
Explanation
The rational number 3/2 is between 1 and 4 because it lies exactly halfway between them. It is greater than 1 and less than 4, making it a valid choice.

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• 7.

### Choose the equation(s) that fit the pattern n/n = 1.

• A.

3/3 =1

• B.

1.5/1.5 =1

• C.

1,435/1,435 =1

• D.

0/0 = 1

A. 3/3 =1
B. 1.5/1.5 =1
C. 1,435/1,435 =1
Explanation
Dividing by 0 gives an undefined answer, so it cannot = 1

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• 8.

### The number that can be written as a fraction is what?

• A.

Natural number

• B.

Rational number

• C.

Whole number

• D.

All of the above

B. Rational number
Explanation
A rational number is a number that can be expressed as a fraction, where the numerator and denominator are both integers. This includes all natural numbers, whole numbers, and integers, as they can be written as fractions with a denominator of 1. Therefore, the correct answer is "Rational number".

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• 9.

### Which of the following does not apply to 7/8?

• A.

Integer

• B.

Rational number

• C.

Whole number

• D.

All of the above

C. Whole number
Explanation
The number 7/8 is not a whole number because it is a fraction and not a counting number. Whole numbers include all positive integers and zero, but 7/8 is a fraction between 0 and 1. Therefore, the statement "Whole number" does not apply to 7/8.

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• 10.

### _________ is the set of numbers that includes positive and negative numbers.

• A.

Whole numbers

• B.

Rational numbers

• C.

Natural numbers

• D.

Integers

D. Integers
Explanation
Integers is the correct answer because it is the set of numbers that includes both positive and negative numbers, as well as zero. Whole numbers only include positive numbers and zero, while rational numbers include fractions and decimals. Natural numbers only include positive numbers, excluding zero and negative numbers. Therefore, integers is the most inclusive set that includes both positive and negative numbers.

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• Current Version
• Feb 02, 2024
Quiz Edited by
ProProfs Editorial Team
• Feb 06, 2010
Quiz Created by
Kenm21804

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