Class 10 Exam  >  Class 10 Videos  >  Crash Course: Class 10  >  Practice Questions: Real Number

Class 10 Maths Chapter 1 Practice Question Answers - Real Numbers

210 videos

Top Courses for Class 10

FAQs on Class 10 Maths Chapter 1 Practice Question Answers - Real Numbers

1. What is a real number?
Ans. A real number is a number that can be expressed as a finite or infinite decimal representation. It includes rational numbers (such as fractions and integers) and irrational numbers (such as square roots and pi).
2. How do real numbers differ from imaginary numbers?
Ans. Real numbers represent quantities that can be measured in the physical world, while imaginary numbers are used to represent quantities that cannot be measured physically. Real numbers are typically denoted by the symbol "R," while imaginary numbers are denoted by the symbol "i."
3. Can all real numbers be expressed as fractions?
Ans. No, not all real numbers can be expressed as fractions. Rational numbers are real numbers that can be expressed as fractions, but there are also real numbers called irrational numbers that cannot be written as fractions. Examples of irrational numbers include the square root of 2 and pi.
4. What is the difference between a real number and a whole number?
Ans. A real number is a number that can be expressed as a decimal representation, while a whole number is a non-negative integer (including zero). In other words, all whole numbers are real numbers, but not all real numbers are whole numbers.
5. Are negative numbers considered real numbers?
Ans. Yes, negative numbers are considered real numbers. Real numbers include both positive and negative numbers, as well as zero. So, any number that can be expressed as a decimal is a real number, regardless of its sign.
210 videos
Explore Courses for Class 10 exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Sample Paper

,

Semester Notes

,

Extra Questions

,

pdf

,

video lectures

,

Class 10 Maths Chapter 1 Practice Question Answers - Real Numbers

,

Exam

,

Class 10 Maths Chapter 1 Practice Question Answers - Real Numbers

,

study material

,

Viva Questions

,

Previous Year Questions with Solutions

,

past year papers

,

practice quizzes

,

Summary

,

shortcuts and tricks

,

mock tests for examination

,

Free

,

Important questions

,

MCQs

,

Class 10 Maths Chapter 1 Practice Question Answers - Real Numbers

,

Objective type Questions

,

ppt

;