NCERT Solutions for Class 9 Maths Chapter 1 Exercise 1.5 Number Systems in Hindi and English Medium free for session 2022-2023 as per new CBSE Curriculum.

### NCERT Solutions for Class 9 Maths Chapter 1 Exercise 1.5

NCERT Solutions 2022-2023 are available to View in Video Format or use it online only. NCERT Solutions for 9 Maths are given on one page to download. These solutions are further updated according to CBSE Syllabus in academic session. Download (Exercise 1.5) in PDF format to use it offline.

Class: 9 | Mathematics |

Chapter 1: | Number Systems |

Exercise: 1.5 | NCERT Solutions |

Mode: | Online Text and Videos format |

Medium: | Hindi and English Medium |

### 9th Maths Chapter 1 Exercise 1.5 Sols

Here the solutions are given to use online, if you want to download these solutions in English Medium PDF format follow the link given at the top of the page. Go back to Class 9 Maths Chapter 1 Solutions main page to see other exercises. All the solutions are updated for new academic session 2022-2023 on the basis of latest NCERT Books 2022-23.

#### 9th Maths Exercise 1.5 Solutions in Hindi & English

NCERT Solutions of Maths in Hindi Medium as well as English Medium are updated for new academic session 2022-23 and free to download in PDF. These solutions are prepared on the basis of new NCERT Books 2022-23 for CBSE and UP Board Students. Go back to Class 9 Maths Chapter 1 main page solutions to see other exercises.

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###### Important Questions on 9th Maths Exercise 1.5

- Check whether the following number is rational or irrational number. âˆš5Ã—âˆš125
- Add âˆš225 + 2âˆš27 and -5âˆš5 â€“ âˆš3.
- Rationalize the denominator: 1/[âˆš3 + âˆš5 + âˆš7].
- If a = [âˆš7 â€“ âˆš6]/[âˆš7 + âˆš6] and b = [âˆš7 + âˆš6]/[âˆš7 â€“ âˆš6], then find the value of aÂ² + bÂ² + ab.
- Nimnalikhit ko saral keejie: âˆš45 â€“ 3âˆš20 + âˆš45.
- Nimnalikhit ke har ka parimeyeekaran keejie: âˆš40/âˆš3.
- Nimnalikhit mein a aur b ke maan gyaat keejie keejie: [5 + 2âˆš3]/[7 + 4âˆš3] = a â€“ 6âˆš3.
- Nimnalikhit ke har ka parimeyeekaran keejie aur phir âˆš2 = 1.414, âˆš3 = 1.732 aur âˆš5 = 2.236 lete hue, teen dashamalav sthaanon tak [âˆš10 â€“ âˆš5]/ âˆš3 ka maan gyaat keejie.
- Yadi âˆš2 = 1.414 hai to âˆš8 + âˆš50 + âˆš72 + âˆš98 ka maan gyaat keejie.

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### How many important questions are there in class IX Maths exercise 1.5?

In exercise 1.5 of class 9 Maths, there are five questions and nine examples (examples 12, 13, 14, 15, 16, 17, 18, 19, 20). All questions and examples of this exercise are equally important from the exam point of view. Example 12 and question 1 are of the same type. Example 16 and question 2 are of the same type. Example 17, 18, 19, 20 and question 5 are of the same kind. From this exercise, one mark, two marks and three marks questions can come in the exam.

### Which is the best question of exercise 1.5 of class 9 Maths?

Question 3 is the best question of exercise 1.5 of class 9 Maths. This question is very interesting, logical and reasonable.

This question increases the thinking ability of students.

### Can students quickly solve the Class 9th Maths exercise 1.5?

Students quickly solve questions 1, 2, 5 and examples 12 to 20 of exercise 1.5 of class 9th Maths. But face problems while solving questions 3 and 4 because questions 3 and 4 are a little tough.

### How long it takes to complete Class 9 Maths exercise 1.5?

Students need a maximum of two days to complete exercise 1.5 (chapter 1) of class 9th Maths if they give at least 2 hours per day to this exercise. This time also depends on studentâ€™s speed, efficiency, capability, and many other factors.