This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the most specific set for $\sqrt[]{25}$ A) Natural. B) Whole. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: A) Natural. 2. Estimate the value of $\\sqrt{56}$ A) 5 and 6. B) 6 and 7. C) 7 and 8. D) 8 and 9. Show Answer Correct Answer: C) 7 and 8. 3. Two numbers are in the ratio 3:4 and their LCM is 120. The sum of the number is A) 70. B) 50. C) 12. D) 36. Show Answer Correct Answer: A) 70. 4. Aryon reads 4 books every 3 weeks. At this rate, how long will it take Aryon to read 20 books? A) 10 weeks. B) 8 weeks. C) 15 weeks. D) 24 weeks. Show Answer Correct Answer: C) 15 weeks. 5. The HCF (26, 169) = 13 then LCM (26, 169) is: A) 26. B) 52. C) 338. D) 13. Show Answer Correct Answer: C) 338. 6. If 'n' is any natural number, then $\left(12\right)^n$ A) 0. B) 7. C) 2. D) 5. Show Answer Correct Answer: A) 0. 7. The decimal expansion of the rational number $\frac{22}{5^2.2^3}$ A) One decimal place. B) Two decimal place. C) Three decimal place. D) Four decimal place. Show Answer Correct Answer: B) Two decimal place. 8. $4+\sqrt[]{3}$ A) Integer. B) Rational number. C) Irrational number. D) None of these. Show Answer Correct Answer: C) Irrational number. 9. What is the sign of the product of an even number of factors with the same sign? A) Positive. B) Negative. C) It depends. D) None of the above. Show Answer Correct Answer: A) Positive. 10. P/q form of the decimal 0.875 is A) 7/8. B) 25/31. C) 7/12. D) 6/7. Show Answer Correct Answer: A) 7/8. 11. There are 312, 260 and 156 students in class X, XI AND XII respectively. Buses are to be hired to take these students to a picnic. Find the maximum number of students who can sit in a bus if each bus takes equal number of students A) 48. B) 63. C) 56. D) 52. Show Answer Correct Answer: D) 52. 12. The sum of rational and irrational number is A) Rational. B) Irrational. C) Both of above. D) None of above. Show Answer Correct Answer: B) Irrational. 13. LCM of 0.5, 1.5 and 0.25 is A) 7.5. B) 0.75. C) 0.5. D) 0.05. Show Answer Correct Answer: B) 0.75. 14. What is the significance of the number line in understanding real numbers? A) The number line has no relevance in mathematics. B) The number line is used solely for plotting geometric shapes. C) The number line only represents integers and not real numbers. D) The number line is significant as it provides a visual representation of real numbers, facilitating comparison and understanding of their properties. Show Answer Correct Answer: D) The number line is significant as it provides a visual representation of real numbers, facilitating comparison and understanding of their properties. 15. The decimal expansion of an irrational number may be A) Non terminating and repeating. B) Non terminating and non repeating. C) Terminating. D) Terminating and repeating. Show Answer Correct Answer: B) Non terminating and non repeating. 16. To solve this equation, which property would be useful:x+5=17 A) Multiplicative Inverse. B) Additive Identity. C) Multiplicative Identity. D) Additive inverse. Show Answer Correct Answer: D) Additive inverse. 17. A number can be rational and irrational. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. Any positive odd integer will be of the form? A) 2m + 1. B) 2m-1. C) 3m. D) None of these. Show Answer Correct Answer: A) 2m + 1. 19. Order the following numbers from greatest to least:-0.3, 1, -2, 0.75 A) 1, 0.75, -2, -0.3. B) 1, 0.75, -0.3, -2. C) -2, 1, 0.75, -0.3. D) 0.75, 1, -2, -0.3. Show Answer Correct Answer: B) 1, 0.75, -0.3, -2. 20. Which of the following is a rational number? A) $\sqrt[]{75}$. B) $95.\overline{3}$. C) $\sqrt[]{44}$. D) $\pi$. Show Answer Correct Answer: B) $95.\overline{3}$. 21. If a = 2$^{3}$x3, b = 2x3x5, c = 3$^{n}$x5 and LCM(a, b, c) =2$^{3}$x3$^{2}$x5, then n= A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 22. What is H.C.F. of 29 and 31 A) 5. B) 1. C) 23. D) 29. Show Answer Correct Answer: B) 1. 23. LCM of 7 and 11 is A) 7. B) 11. C) 1. D) 77. Show Answer Correct Answer: D) 77. 24. Log 2 is a A) Rational. B) Irrational. C) Both rational and irrational. D) None of the above. Show Answer Correct Answer: B) Irrational. 25. Which of the following statements is NOT true? A) All integers are whole numbers. B) All rational numbers are real numbers. C) All whole numbers are rational numbers. D) Some rational numbers are integers. Show Answer Correct Answer: A) All integers are whole numbers. ← PreviousNext →Related QuizzesClass 10 Maths Chapter 1 Real Numbers Quiz 1Class 10 Maths Chapter 1 Real Numbers Quiz 2Class 10 Maths Chapter 1 Real Numbers Quiz 3Class 10 Maths Chapter 1 Real Numbers Quiz 4Class 10 Maths Chapter 1 Real Numbers Quiz 5Class 10 Maths Chapter 1 Real Numbers Quiz 6Class 10 Maths Chapter 1 Real Numbers Quiz 7Class 10 Maths Chapter 1 Real Numbers Quiz 8Class 10 Maths Chapter 1 Real Numbers Quiz 9Class 10 Maths Chapter 1 Real Numbers Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books