This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Indicate the two integers. A) 11/5, 7. B) -6, 6. C) 21/8, 4. D) None of the above. Show Answer Correct Answer: B) -6, 6. 2. When should I use LCM? A) When I see the word Least. B) When I see the word Legal. C) When I see the word Loyal. D) When I see the word Lithium. Show Answer Correct Answer: A) When I see the word Least. 3. $-\frac{1}{3}-\frac{2}{3}$ A) -1. B) 0. C) 1. D) None of the above. Show Answer Correct Answer: A) -1. 4. The least number divisible by the natural numbers 1 to 10 (both inclusive) is ..... A) 100. B) 10. C) 504. D) 2520. Show Answer Correct Answer: D) 2520. 5. Name the set or sets to which each real number belongs. $\sqrt{12}$ A) Natural Number. B) Whole Number. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: E) Irrational. 6. Which one of the following can't be the square of a natural number? A) 42437. B) 20164. C) 81225. D) 32761. Show Answer Correct Answer: A) 42437. 7. Which one of the following is a correct statement? A) Decimal expansion of a rational number is terminating. B) Decimal expansion of a rational number is non terminating. C) Decimal expansion of an irrational number is terminating. D) Decimal expansion of an irrational number is non terminating and non repeating. Show Answer Correct Answer: D) Decimal expansion of an irrational number is non terminating and non repeating. 8. Between which two integers does-$\sqrt{7}$ A) -1, -2. B) -3, -2. C) -5, -6. D) None of the above. Show Answer Correct Answer: B) -3, -2. 9. The rational numbers which have terminating decimal expansion is A) 125/441. B) 77/210. C) 15/1600. D) 129/(2$^{2}$ x 5$^{2}$ x 7$^{2}$). Show Answer Correct Answer: C) 15/1600. 10. -6 + (-3) A) -10. B) -8. C) -9. D) 10. Show Answer Correct Answer: C) -9. 11. Rachel states that-5.5 is an integer because it is negative.Is she correct?Why or why not? A) Yes, because all negatives are integers. B) Yes, because all integers have decimals. C) No, because integers do not have decimals. D) No, because integers cannot be negative. Show Answer Correct Answer: C) No, because integers do not have decimals. 12. -12/-3 is a natural number. What is that number? A) 3. B) -4. C) 4. D) None of the above. Show Answer Correct Answer: C) 4. 13. The largest number that will divide 398, 436 and 542 leaving remainders 7, 11 and 15 respectively is A) 17. B) 11. C) 34. D) 45. Show Answer Correct Answer: A) 17. 14. -14 could be classified as all of these EXCEPT? A) Integer. B) Real. C) Rational. D) Whole. Show Answer Correct Answer: D) Whole. 15. The decimal form of $\frac{5}{8}$ A) 0.625. B) 0.600. C) 0.750. D) 0.375. Show Answer Correct Answer: A) 0.625. 16. Two students run around a circular ground. One takes 6min and the other takes 8 min to complete a round. If they start from the same point, what is the minimum time required for them to reach the same point minutes. A) 48 min. B) 30 min. C) 24 min. D) 15 min. Show Answer Correct Answer: C) 24 min. 17. Identify the propertya + b = b + a A) Identity of addtion. B) Commutative of addition. C) Associative of addition. D) Symmetric. Show Answer Correct Answer: B) Commutative of addition. 18. The natural, 4n, where n is a natural number, ends with the digit 0 for any natural number n. A) TRUE. B) FALSE. C) CAN'T SAY. D) PARTIALLY TRUE. Show Answer Correct Answer: B) FALSE. 19. What is the value of (256)0.16 X (256)0.09? A) 2. B) 4. C) 256.25. D) 16. Show Answer Correct Answer: B) 4. 20. 1) The LCM of two numbers is 1200. Which of the following cannot be their HCF? A) 600. B) 500. C) 400. D) 200. Show Answer Correct Answer: B) 500. 21. $\frac{10+8\sqrt{7}}{\sqrt{31}}$ A) $\frac{3\sqrt{221}}{16}$. B) $\frac{8\sqrt{31}+11\sqrt{217}}{31}$. C) $\frac{10\sqrt{31}+8\sqrt{217}}{31}$. D) $\frac{10\sqrt{33}+8\sqrt{231}}{33}$. Show Answer Correct Answer: C) $\frac{10\sqrt{31}+8\sqrt{217}}{31}$. 22. The product of a non-zero rational and an irrational number is: A) Always rational. B) Always whole. C) Always irrational. D) Sometimes rational. Show Answer Correct Answer: C) Always irrational. 23. All whole numbers are integers. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 24. The values of the remainder r, when a positive integer a is divided by 3 are: A) 0, 1, 2, 3. B) 0, 1, 2. C) 2, 3, 4. D) None of these. Show Answer Correct Answer: B) 0, 1, 2. 25. The seventh root of x divided by the eighth root of x is A) X. B) $\sqrt{x}$. C) $x^{\frac{1}{56}}$. D) $\frac{1}{x^{\frac{1}{56}}}$. Show Answer Correct Answer: C) $x^{\frac{1}{56}}$. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books