This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Give the most specific classification for $\sqrt[]{121}$ A) Irrational. B) Rational. C) Integers. D) Whole. E) Natural. Show Answer Correct Answer: E) Natural. 2. What is the sign of the product of an odd number of negative factors? A) Positive. B) Negative. C) It depends. D) None of the above. Show Answer Correct Answer: B) Negative. 3. The unit digit of $2^{2^n}$ A) 4. B) 6. C) 0. D) None of the above. Show Answer Correct Answer: C) 0. 4. $2\sqrt{3}+\\sqrt{3}$ A) $2\sqrt{6}$. B) 6. C) $3\sqrt{3}$. D) $4\sqrt{6}$. Show Answer Correct Answer: C) $3\sqrt{3}$. 5. Express the fraction 7/9 as a decimal. A) 0.8. B) 0.88888 . C) 0.7. D) 0.777777 . Show Answer Correct Answer: D) 0.777777 . 6. The sum or difference of two irrational numbers is always ..... A) Rational. B) Even. C) Positive. D) Irrational. Show Answer Correct Answer: D) Irrational. 7. Which of these cannot be a whole number? A) A positive integer. B) A negative integer. C) A rational number. D) None of the above. Show Answer Correct Answer: B) A negative integer. 8. A prime number is ..... A) A number that has only one factor. B) $^{}$a number that has at least two factors. C) A number that has more than two factors. D) A number that has only two factors.(1 and itself). Show Answer Correct Answer: D) A number that has only two factors.(1 and itself). 9. What is the decimal answer to-15/6? A) 2.5. B) 3.5. C) -2.5. D) None of the above. Show Answer Correct Answer: C) -2.5. 10. $\frac{1}{5^2}$ A) $5^{-2}$. B) $-5^2$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $5^{-2}$. 11. List in order from least to greatest.5/4, 56%, 1.07, 4/5 A) $^{5/4, 56%, 1.07, 4/5}$. B) $^{1.07, 4/5, 5/4, 56%}$. C) $^{56%, 1.07, 4/5, 5/4}$. D) $^{56%, 4/5, 1.07, 5/4}$. Show Answer Correct Answer: D) $^{56%, 4/5, 1.07, 5/4}$. 12. An example of an integer is ..... A) 9.1. B) 8/9. C) -9. D) -2.3. Show Answer Correct Answer: C) -9. 13. A non-ending, non-repeating decimal is which type of number? A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irrational. 14. If x = 3 + 2 $\sqrt{2}$ $\sqrt{x}-\frac{1}{\sqrt{x}}$ A) 1. B) 2. C) Can not be found out. D) None of these. Show Answer Correct Answer: B) 2. 15. Is $^{-}$23 a rational number? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 16. $\left(\left(64\right)^{-2}\right)^{\frac{1}{4}}$ A) 4. B) 1/4. C) 8. D) 1/8. Show Answer Correct Answer: D) 1/8. 17. Pairs of natural numbers whose least common multiple is 78 and the greatest common divisor is 13 are: A) 58 and 13 or 16 and 29. B) 68 and 23 or 36 and 49. C) 18 and 73 or 56 and 93. D) 78 and 13 or 26 and 39. Show Answer Correct Answer: D) 78 and 13 or 26 and 39. 18. Euclid's division lemma states that if a and b are two positive integers, then there exist unique integers q and r such that: A) A = bq + r, 0 B) A = bq + r, 0 $\le$ $\le$. C) A = bq + r, 0 $\le$. D) A = bq + r, 0 $\ge$ $\le$. Show Answer Correct Answer: C) A = bq + r, 0 $\le$. 19. .... would classify as ..... A) Whole. B) Irrational. C) Rational. D) Integer. Show Answer Correct Answer: B) Irrational. 20. True or False:15/3 can be simplified to a whole number. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What is the most specific set for $\sqrt[]{7}$ A) Natural. B) Whole. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: E) Irrational. 22. Order the following numbers from least to greatest:-2, 0, 1.5, -1.25 A) 1.5, 0, -1.25, -2. B) -2, -1.25, 0, 1.5. C) -1.25, -2, 0, 1.5. D) 0, -1.25, -2, 1.5. Show Answer Correct Answer: B) -2, -1.25, 0, 1.5. 23. What number below is the greatest? A) $-\sqrt{3}$. B) $-\sqrt{0.025}$. C) $-\frac{1}{8}$. D) $-1.5$. Show Answer Correct Answer: C) $-\frac{1}{8}$. 24. -3.7 + (-5.1) A) -8.8. B) -1.4. C) 1.4. D) 8.8. Show Answer Correct Answer: A) -8.8. 25. Classify 0 A) Whole. B) Integer. C) Rational. D) All of the above. Show Answer Correct Answer: D) All of the above. ← 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