This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Write the point where the graph of the polynomial p(x)=2x-5 is a straight line which intersects the X-axis at exactly one point. A) (2/5, 0). B) (5/2, 0). C) (0, 2/5). D) (0, 5/2). Show Answer Correct Answer: B) (5/2, 0). 2. If the HCF of 65 and 117 is expressed in the form 65m-117n, then the values of m and n are: A) M = 4, n = 3. B) M = 2, n = 1. C) M = 3, n = 4. D) M = 1, n = 2. Show Answer Correct Answer: C) M = 3, n = 4. 3. Which is the best estimate of the square root of 63? A) 7.1. B) 7.3. C) 7.5. D) 7.9. Show Answer Correct Answer: D) 7.9. 4. What is an example of an irrational number? A) -2/3. B) .75575557654 . C) 23. D) 0. Show Answer Correct Answer: B) .75575557654 . 5. The LCM of smallest prime and smallest odd composite number is: A) 2. B) 18. C) 9. D) 6. Show Answer Correct Answer: B) 18. 6. If a number is of the form 4k + 3, then it is always: A) Even. B) Prime. C) Odd. D) Composite. Show Answer Correct Answer: C) Odd. 7. A circular field has a circumference of 360 km. Two cyclists Sumeet and Johan start together and can cycle at speeds of 12km/hr and 15km/hr respectively round the field.Based on the above information answer the following questions:What is the time taken by Sumeet to complete to one round? A) 30 hours. B) 4320 hours. C) 6 hours. D) 12 hours. Show Answer Correct Answer: A) 30 hours. 8. $x^2=\frac{4}{9}$ A) $x=\frac{2}{3}$. B) $x=\frac{4}{3}$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $x=\frac{2}{3}$. 9. The sum of a rational and irrational number is A) (a) rational. B) B) irrational. C) (c) both of above. D) (d) none of above. Show Answer Correct Answer: B) B) irrational. 10. A list of numbers ordered from least value to greatest value is shown. One number is missing:$\frac{18}{5}$ $\sqrt{17}$ A) 4.5. B) 3.8%. C) $\frac{57}{15}$. D) . Show Answer Correct Answer: C) $\frac{57}{15}$. 11. The HCF of two numbers 65 and 104 is 13. If LCM of 65 and 104 is 40x, then the value of x is: A) 5. B) 13. C) 40. D) 8. Show Answer Correct Answer: B) 13. 12. Which statement about the real number system is NOT true? A) All square roots are either natural numbers, or irrational numbers. B) All whole numbers are also natural numbers, except for 0. C) Repeating decimals are rational. D) Some fractions are irrational. Show Answer Correct Answer: D) Some fractions are irrational. 13. LCM of 5 and 10 is A) 20. B) 50. C) 5. D) 10. Show Answer Correct Answer: D) 10. 14. The difference of an irrational number and a rational number is an irrational number. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Ex 4. Multiply(-8)(-1) A) 8. B) -8. C) 9. D) -9. Show Answer Correct Answer: A) 8. 16. What two numbers is the $\sqrt{24}$ A) 3 and 4. B) 4 and 5. C) 5 and 6. D) 6 and 7. Show Answer Correct Answer: B) 4 and 5. 17. 5-(-5) A) -10. B) -1. C) 0. D) 10. Show Answer Correct Answer: D) 10. 18. The product of three consecutive positive integers is divisible by A) 4. B) 1. C) 6. D) No common factor. Show Answer Correct Answer: C) 6. 19. What is the most specific set for $15$ A) Natural. B) Whole. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: A) Natural. 20. What kind of real number is this? Check all that applies. $e$ A) Natural Numbers. B) Whole Numbers. C) Integers. D) Rational Numbers. E) Irrational Numbers. Show Answer Correct Answer: E) Irrational Numbers. 21. For some integer 'q', every odd integer is of the form ..... A) Q. B) Q + 1. C) 2q-1. D) 2q. Show Answer Correct Answer: C) 2q-1. 22. The prime factorization of 216 is 21. HCF of 4 and 19 is A) 2$^{3 }$x 3$^{3}$. B) 2$^{4 }$x 3$^{3}$. C) 2$^{3 }$x 3$^{2}$. D) None of the above. Show Answer Correct Answer: A) 2$^{3 }$x 3$^{3}$. 23. The decimal expansion of 6/1250 will terminate after how many places of decimal? A) 4. B) 3. C) 2. D) 5. Show Answer Correct Answer: A) 4. 24. A rational numbers can't be expressed as A) Terminating decimal. B) Non-terminating repeating decimal. C) Non terminating non repeating decimal. D) Recurring decimal. Show Answer Correct Answer: C) Non terminating non repeating decimal. 25. $\left(5.6\times10^5\right)\div\left(2.8\times10^2\right)$ A) $2\times10^7$. B) $2.8\times10^3$. C) $2\times10^3$. D) $2\times10^{10}$. Show Answer Correct Answer: C) $2\times10^3$. ← 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 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 10Class 10 Maths Chapter 1 Real Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books