Скачать или смотреть NCERT CLASS 9 MATHS 2025 CHAPTER 1F NUMBER SYSTEM PAGE 14

NCERT CLASS 9 MATHS 2025 CHAPTER 1F NUMBER SYSTEM PAGE 14

EXERCISE 1.3

5. What can the maximum number of digits be in the repeating block of digits in the 1/17 decimal expansion of ? Perform the division to check your answer.


6. Look at several examples of rational numbers in the form p/q (q ≠ 0), where p and q are integers with no common factors other than 1 and having terminating decimal representations (expansions). Can you guess what property q must satisfy?

7. Write three numbers whose decimal expansions are non-terminating non-recurring.

8. Find three different irrational numbers between the rational numbers 5/7 and 9/11.


9. Classify the following numbers as rational or irrational :
(i)23 (ii) 225 (iii) 0.3796

(iv) 7.478478... (v) 1.101001000100001...