This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the LCM of 6ab and 9 abp A) 6abp. B) 9abp. C) 18abp. D) 3abp. Show Answer Correct Answer: C) 18abp. 2. The number0.211211121111211111 ..... is a ..... A) Terminating decimal. B) Non-terminating repeating decimal. C) Non-terminating and non-repeating decimal. D) None of the above. Show Answer Correct Answer: C) Non-terminating and non-repeating decimal. 3. An army contingent of 1232 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march? A) 6. B) 8. C) 16. D) 4. Show Answer Correct Answer: C) 16. 4. LCM of 2x, 3x and 5x is A) 30x. B) 30x$^{3}$. C) 15x. D) X$^{3}$. Show Answer Correct Answer: A) 30x. 5. L.C.M of 17, 23 is ..... A) 391. B) 231. C) 651. D) 567. Show Answer Correct Answer: A) 391. 6. (Choose all correct answers) $-1\frac{2}{15}$ A) Whole number. B) Integer. C) Rational number. D) None of these. Show Answer Correct Answer: C) Rational number. 7. $0.\overline{8}$ A) $\frac{4}{5}$. B) $\frac{8}{11}$. C) $\frac{3}{4}$. D) $\frac{8}{9}$. Show Answer Correct Answer: D) $\frac{8}{9}$. 8. Ex 2. Subtract-8-(-1) A) -7. B) 7. C) -9. D) 9. Show Answer Correct Answer: A) -7. 9. The largest number that divides 48 and 60 completely is: A) 12. B) 24. C) 6. D) 18. Show Answer Correct Answer: B) 24. 10. In Amalie's home town, the ratio of cars to people is 420 to 1000. What fraction shows this ratio in simplest form? A) $\frac{21}{100}$. B) $\frac{21}{50}$. C) $\frac{21}{25}$. D) $\frac{420}{1000}$. Show Answer Correct Answer: B) $\frac{21}{50}$. 11. If two positive integers a and b are written as a =x$^{3}$y$^{2}$ and b = xy$^{3}$ . Where x &y are prime numbers. Then HCF ( a, b) = ..... A) Xy. B) X$^{3}$y$^{3}$. C) Xy$^{2}$. D) X$^{3}$y$^{2}$. Show Answer Correct Answer: C) Xy$^{2}$. 12. How would 5/9 be classified? A) Rational and real. B) Whole and integer. C) Only real. D) Only irrational. Show Answer Correct Answer: A) Rational and real. 13. HCF OF SMALLEST COMPOSITE NUMBER AND SMALLEST PRIME NUMBER IS A) 1. B) 2. C) 4. D) None. Show Answer Correct Answer: B) 2. 14. What is the last digit of 6$^{100}$ A) 5. B) 7. C) 6. D) 100. Show Answer Correct Answer: C) 6. 15. An odd positive integer is A) 3m+1. B) 4m+3. C) M+1. D) 6m+4. Show Answer Correct Answer: B) 4m+3. 16. Rosa is making a game board that is 16 inches by 24 inches. She wants to use square tiles. What is the larges tile she can use?Problem can be solved using A) LCM. B) HCF. C) None. D) None of the above. Show Answer Correct Answer: B) HCF. 17. Solve the equation:3y + 7 = 16 A) Y = 10. B) Y = 5. C) Y = 2. D) Y = 3. Show Answer Correct Answer: D) Y = 3. 18. An example of a whole number is: A) 4/9. B) -9. C) 5.2. D) 17. Show Answer Correct Answer: D) 17. 19. For some integer n, the odd integer is represented in the form of: A) A) n. B) (b) n + 1. C) (c) 2n + 1. D) (d) 2n. Show Answer Correct Answer: C) (c) 2n + 1. 20. The LCM of 7, 14, and 21 is: A) 42. B) 14. C) 21. D) 7. Show Answer Correct Answer: A) 42. 21. A repeating decimal (like 4.7777 ..... ) is what type of number? A) Rational. B) Irrational. C) Integer. D) Whole Number. Show Answer Correct Answer: A) Rational. 22. 1) The largest number that will divide 398, 436, and 542 leaving the reminders 7, 11 and 15 respectively is A) 27. B) 13. C) 17. D) 11. Show Answer Correct Answer: C) 17. 23. A rational number can be expressed as a non terminating repeating decimal if the denominator has the factors A) Other than 2 or 5. B) 2 or 5 only. C) None of these. D) None of the above. Show Answer Correct Answer: A) Other than 2 or 5. 24. What is the conjugate of:$5+\sqrt{7}$ A) 18. B) $5+\sqrt{7}$. C) $5-\sqrt{7}$. D) 32. Show Answer Correct Answer: C) $5-\sqrt{7}$. 25. The product of two consecutive natural numbers is always: A) Prime number. B) Even number. C) Odd number. D) Even or odd number. Show Answer Correct Answer: B) Even number. ← 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