Real Numbers Quiz Questions And Answers

10 Questions | By Katimars77 | Updated: Jul 1, 2022 | Attempts: 5060

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Do you know anything about real numbers in mathematics? Do you think you can pass this quiz based on a real number system? Real numbers include both rational and irrational numbers. All rational numbers, including integers, fractions, and decimal numbers, come under real numbers. Here, in this quiz, you'll have to solve questions based on a real number system. Do you think you can do so? Take this quiz and see if your knowledge of real numbers adds up.

Questions and Answers

1.

What is a rational number?
- A.
  
  A number that cannot be written as a fraction
- B.
  
  A number that can be written as a fraction
- C.
  
  An infinite, non-recurring decimal.
- D.
  
  A surd
2.

Which of the following numbers is a surd?
- A.
- B.
- C.
- D.
- E.
- F.
3.

Which of the following sets represents the set of NATURAL NUMBERS?
- A.
  
  {..., -3,-2,-1,0,1,2,3 ...}
- B.
  
  {0,1,2,3,4,5, ...... }
- C.
  
  { 1,2,3,4,5,...}
- D.
  
  {2,4,6,8,10,...}
- E.
  
  {1.3.5.7,9, ...}
4.

What is written in decimal notation?
- A.
  
  1300
- B.
  
  130
- C.
  
  0.13
- D.
  
  0.013
- E.
  
  0.0013
5.

What is 53600000 written in scientific notation?
- A.
- B.
- C.
- D.
- E.
6.

How many significant figures are there in the number: 1234000?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
- E.
  
  7
7.

Simplify:
- A.
- B.
- C.
- D.
- E.
8.

Simplify
- A.
- B.
- C.
- D.
- E.
9.

Explain why a mixed number is a rational number?
- A.
  
  Because it is not a decimal.
- B.
  
  Because it can be expressed as a decimal.
- C.
  
  Because it can be expressed as an improper fraction.
- D.
  
  Because it is a recurring decimal.
- E.
  
  Because it is not an integer.
10.

Simplify:
- A.
- B.
- C.
- D.
- E.