NCERT Solutions for Class 7 Mathematics Chapter 1
Important NCERT Questions
Integers Chapter 1 Exercise 1.1
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 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?
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According to the number line, Rita moves towards east is represented by a positive integer. But she moves in opposite direction means Rita moves west, is represented by negative integer.
Distance from A to B = 20 km
Distance from B to C = 30 km
Distance from A to C = 20 – 30 = –10 km
Thus, Rita is at final position from A to C is –10 km.
7 Maths Chapter 1 Exercise 1.1 Question 2, 3, 4, 5 & 6
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According to the number line,Rita moves towards east is represented by a positive integer, but she moves in the opposite direction means west, is represented by a negative integer.
Distance from AtoB= 20 km
“. “. B to C = 30km
.”. “. A to C= -10km