NCERT Solutions for Class 9 Chapter 1 Number Systems -Free PDF Download
NCERT Solutions for Class 9 Chapter 1 Exercise 1.4 are provided by CoolGyan to score well in exams. The experts are working hard to prepare such high-quality solutions just to make sure that no student face problems in any question of mathematics. CoolGyan is a platform that provides free CBSE Solutions and other study materials for students.
Maths Revision Notes for Class 9
| Chapter Name | Number Systems |
| Chapter | Chapter 1 |
| Exercise | Exercise 1.4 |
| Class | Class 9 |
| Subject | Maths NCERT Solutions |
| Board | CBSE |
| TEXTBOOK | CBSE NCERT |
| Category | NCERT Solutions |
CBSE Class 9 Mathematics
NCERT Solutions
CHAPTER 1
Number Systems(Ex. 1.4)
1. Visualize 3.765 on the number line using successive magnification.
Ans. We know that the number 3.765 will lie between 3.764 and 3.766.
We know that the numbers 3.764 and 3.766 will lie between 3.76 and 3.77.
We know that the numbers 3.76 and 3.77 will lie between 3.7 and 3.8.
We know that the numbers 3.7 and 3.8 will lie between 3 and 4.
Therefore, we can conclude that we need to use the successive magnification, after locating numbers 3 and 4 on the number line.
2. Visualize
on the number line, up to 4 decimal places.
Ans. We know that the numbercan also be written as
.
We know that the numberwill lie between 4.261 and 4.263.
We know that the numbers 4.261 and 4.263 will lie between 4.26 and 4.27.
We know that the numbers 4.26 and 4.27 will lie between 4.2 and 4.3.
We know that the numbers 4.2 and 4.3 will lie between 4 and 5.
Therefore, we can conclude that we need to use the successive magnification, after locating numbers 4 and 5 on the number line.
