If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Class 9

5,900 possible mastery points
Mastered
Proficient
Familiar
Attempted
Not started
Quiz
Unit test

Welcome, learners!

This course is based on the new rationalised NCERT 2023-2024 books.
Get this course in Hindi
Course challengeTest your knowledge of the skills in this course.Start Course challenge