Number Systems Quiz | QuizMaster

1. Which of the following is a rational number?

A) sqrt(2) B) 0.25 C) pi D) sqrt(3)

2. The set of integers includes:

A) Positive and negative whole numbers including zero B) Only positive numbers C) Only negative numbers D) Only zero

3. The number 0.333... (repeating) is:

A) An irrational number B) A whole number C) A rational number (1/3) D) An integer

4. Which number is NOT an integer?

A) 5 B) -3 C) 0.5 D) -7

5. Natural numbers are:

A) Only zero B) Only negative numbers C) Positive counting numbers (1, 2, 3...) D) All fractions

6. The number i (imaginary unit) squared equals:

A) -1 B) 1 C) 0 D) i

7. The decimal 0.142857142857... (repeating) equals which fraction?

A) 1/7 B) 1/8 C) 1/7 (repeating 142857) D) 1/6

8. Which of the following is an irrational number?

A) sqrt(5) B) 3.14 C) 0.5 D) 4/5

9. The absolute value of -9 is:

A) 9 B) -9 C) 0 D) 1/9

10. Which set of numbers includes all others?

A) Natural numbers B) Integers C) Real numbers D) Rational numbers

Number Systems Quiz Quiz