Class 9 Practice Level 1 – Number Systems Leave a Comment / By anushka kumari / July 15, 2024 Class 9 Practice Level 1 – Number Systems Total questions: 40 1. Which of the following numbers is a rational number? Topic: Real Numbers $ \displaystyle \sqrt{2}$ $ \displaystyle 3.14$ $ \displaystyle \frac{1}{2}$ $ \displaystyle \pi $ None 2. Identify the irrational number. Topic: Real Numbers $ \displaystyle \sqrt{3}$ $ \displaystyle 4$ $ \displaystyle -5$ $ \displaystyle \frac{2}{3}$ None 3. Which of the following is a terminating decimal? Topic: Real Numbers $ \displaystyle \frac{1}{3}$ $ \displaystyle \frac{1}{4}$ $ \displaystyle \frac{1}{7}$ $ \displaystyle \frac{1}{9}$ None 4. Which of the following represents a rational number? Topic: Real Numbers $ \displaystyle \sqrt{5}$ $ \displaystyle \pi $ $ \displaystyle 0.333...$ $ \displaystyle \mathbf{e}\text{ }\left( {\mathbf{Euler}'\mathbf{s}\text{ }\mathbf{number}} \right)$ None 5. What is the decimal expansion of $ \displaystyle \frac{1}{8}$ ? Topic: Real Numbers 0.125 0.0125 0.1255 0.01255 None 6. Which of the following numbers is a perfect square? Topic: Real Numbers 16 18 20 22 None 7. Which of the following numbers is not a rational number? Topic: Real Numbers 0.25 $ \displaystyle \frac{1}{3}$ 2.5 $ \displaystyle \sqrt{7}$ None 8. What is the square root of 64? Topic: Real Numbers 6 7 8 9 None 9. Which of the following fractions is equivalent to 0.75? Topic: Real Numbers $ \displaystyle \frac{1}{2}$ $ \displaystyle \frac{3}{4}$ $ \displaystyle \frac{2}{5}$ $ \displaystyle \frac{4}{5}$ None 10. Identify the irrational number among the following: Topic: Real Numbers √25 √16 √3 √4 None 11. Which of the following represents a non-terminating repeating decimal? Topic: Real Numbers 0.5 0.125 0.333... 0.75 None 12. What is the product of the square roots of 16 and 25? Topic: Real Numbers 15 20 30 40 None 13. Which of the following numbers is a rational number? Topic: Real Numbers $ \displaystyle \sqrt{2}$ $ \displaystyle 0.101001000...$ $ \displaystyle \pi $ $ \displaystyle \frac{{-3}}{7}$ None 14. What is the square root of 49? Topic: Real Numbers 5 6 7 8 None 15. Identify the irrational number among the following: Topic: Real Numbers 1.732... 2.5 0.75 $ \displaystyle \frac{1}{3}$ None 16. Which of the following is a terminating decimal? Topic: Real Numbers $ \displaystyle \frac{1}{3}$ $ \displaystyle \frac{1}{5}$ $ \displaystyle \frac{1}{7}$ $ \displaystyle \frac{1}{9}$ None 17. Which of the following numbers is a perfect square? Topic: Real Numbers 12 14 15 16 None 18. What is the decimal expansion of $ \displaystyle \frac{3}{8}$ ? Topic: Real Numbers 0.375 0.0375 0.3755 0.03755 None 19. Which of the following is a rational number? Topic: Real Numbers $ \displaystyle \sqrt{3}$ $ \displaystyle \sqrt{5}$ 0.25 $ \displaystyle \pi $ None 20. What is the square root of 81? Topic: Real Numbers 7 8 9 10 None 21. Identify the irrational number among the following: Topic: Real Numbers 1.414... 2.5 0.75 $ \displaystyle \frac{1}{3}$ None 22. Which of the following represents a terminating decimal? Topic: Real Numbers $ \displaystyle \frac{2}{3}$ $ \displaystyle \frac{1}{3}$ $ \displaystyle \frac{5}{8}$ $ \displaystyle \frac{7}{9}$ None 23. Which of the following numbers is a perfect square? Topic: Real Numbers 18 20 25 28 None 24. What is the decimal expansion of $ \displaystyle \frac{7}{8}$? Topic: Real Numbers 0.875 0.0875 0.8755 0.08755 None 25. Which of the following is a rational number? Topic: Real Numbers $ \displaystyle \sqrt{7}$ $ \displaystyle \sqrt{{11}}$ $ \displaystyle 0.125$ $ \displaystyle \pi $ None 26. What is the square root of 36? Topic: Real Numbers 5 6 7 8 None 27. Identify the irrational number among the following: Topic: Real Numbers 1.732... 2.75 0.25 $ \displaystyle \frac{1}{4}$ None 28. Which of the following represents a non-terminating repeating decimal? Topic: Real Numbers 0.5 0.625 0.666... 0.75 None 29. What is the product of the square roots of 9 and 16? Topic: Real Numbers 10 12 14 15 None 30. Which of the following numbers is a rational number? Topic: Real Numbers $ \displaystyle \sqrt{2}$ $ \displaystyle 0.101001000...$ $ \displaystyle \pi $ $ \displaystyle \frac{{-5}}{6}$ None 31. What is the square root of 100? Topic: Real Numbers 8 9 10 11 None 32. Identify the irrational number among the following: Topic: Real Numbers 1.414... 2.8 0.5 $ \displaystyle \frac{1}{2}$ None 33. Which of the following represents a terminating decimal? Topic: Real Numbers $ \displaystyle \frac{1}{7}$ $ \displaystyle \frac{4}{9}$ $ \displaystyle \frac{1}{2}$ $ \displaystyle \frac{5}{9}$ None 34. Which of the following numbers is a perfect square? Topic: Real Numbers 21 24 27 36 None 35. What is the decimal expansion of $ \displaystyle \frac{5}{8}$ ? Topic: Real Numbers 0.625 0.0625 0.6255 0.06255 None 36. Which of the following is a rational number? Topic: Real Numbers $ \displaystyle \sqrt{5}$ $ \displaystyle \sqrt{8}$ 0.75 $ \displaystyle \pi $ None 37. What is the square root of 25? Topic: Real Numbers 3 4 5 6 None 38. Identify the irrational number among the following: Topic: Real Numbers 1.732... 2.75 0.125 $ \displaystyle \frac{1}{4}$ None 39. Which of the following represents a non-terminating repeating decimal? Topic: Real Numbers 0.5 0.875 0.777... 0.75 None 40. What is the product of the square roots of 4 and 9? Topic: Real Numbers 4 5 6 7 None 1 out of 40 Time's up
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