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  1. Chapter 1 Class 7 Integers
  2. Serial order wise

Transcript

Ex 1.1, 6 Rita goes 20 km towards east from a point A to the point B. From B, she moves 30 km towards west along the same road. If the distance towards east is represented by a positive integer then, how will you represent the distance travelled towards west? By which integer will you represent her final position from A? Point A is O Distance towards East is Positive Distance towards West is negative Given that, She goes towards east 20 km to point B And then, She moves towards west 30 km. So, Final Position = 20 − 30 = −10 So, Final position is represented by a negative integer, –10

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.