This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Provide an example of a rational number and explain why it is rational. A) Sqrt(2). B) 1/2. C) 3.14. D) -5. Show Answer Correct Answer: B) 1/2. 2. If n is a natural number, then 6$^{n-}$$_{ }$5$^{n }$always ends with digit- A) 1. B) 3. C) 5. D) 7. Show Answer Correct Answer: A) 1. 3. LCM of 19 and 23 is A) 437. B) 247. C) 3258. D) None. Show Answer Correct Answer: A) 437. 4. $\frac{16^{\frac{1}{3}}\times8^{\frac{1}{3}}}{32^{\frac{-1}{3}}}=$ A) 2. B) 4. C) 16. D) 8. Show Answer Correct Answer: C) 16. 5. A garden consists of 135 rose plants planted in certain number of columns.There are another set of 225 marigold plants, which is to be planted in the same number of columns.Based on teh above information answer the following questions:Fins the total number of plants? A) 135. B) 225. C) 360. D) 45. Show Answer Correct Answer: C) 360. 6. A square wall has an area of about 87.5 square feet. Which best represents the approximate length of the wall? A) 43.75 feet. B) 21.9 feet. C) 9.4 feet. D) None of the above. Show Answer Correct Answer: C) 9.4 feet. 7. A number which is neither prime nor composite A) 3. B) 2. C) Not determined. D) 1. Show Answer Correct Answer: D) 1. 8. Find the biggest number which can divide both 324 and 144. A) 18. B) 36. C) 9. D) 21. Show Answer Correct Answer: B) 36. 9. If p is a prime number and p divides $k^2$ A) 2 $k^2$. B) K. C) 3k. D) None of these. Show Answer Correct Answer: B) K. 10. Which of the following represents a fraction that converts to a repeating decimal with a value LESS than one? A) 1/4. B) 3/5. C) 2/3. D) 11/9. Show Answer Correct Answer: C) 2/3. 11. A repeating decimal and a terminating decimal which of the following in common. A) Both are whole numbers. B) Both are irrational. C) Both are rational. D) They have nothing in common. Show Answer Correct Answer: C) Both are rational. 12. The lowest common multiple of 12 and A is 48. Which of these is a possible value for A? A) 8. B) 12. C) 48. D) 96. Show Answer Correct Answer: C) 48. 13. Between which two consecutive integers would you find $\sqrt[]{270}$ A) 15 and 16. B) 16 and 17. C) 17 and 18. D) None of the above. Show Answer Correct Answer: B) 16 and 17. 14. Three boys shared a whole pizza. Andrew ate 25% of the pizza. Alonso ate 5/8 of the pizza. Tyler ate .125 of the pizza. Who ate the most? A) Andrew. B) Alonso. C) Tyler. D) They all ate the same amount. Show Answer Correct Answer: B) Alonso. 15. $\sqrt{10}\\times\sqrt{5}$ A) $\sqrt{15}$. B) $\sqrt{150}$. C) $\sqrt{50}$. D) 5. Show Answer Correct Answer: C) $\sqrt{50}$. 16. On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps? A) 2520cm. B) 2525cm. C) 2555cm. D) 2528cm. Show Answer Correct Answer: A) 2520cm. 17. The square root of 64 is a natural number. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 18. Find the HCF of 20 and 24 A) 6. B) 4. C) 5. D) 12. Show Answer Correct Answer: B) 4. 19. If m$^{n}$ = 32, where m and n are positive integers, then the value of (n)$^{mn}$ is A) 9765625. B) 9775625. C) 9785625. D) 9865625. Show Answer Correct Answer: A) 9765625. 20. Order the following numbers from least to greatest. $3\pi, \\\sqrt{10}, \\3.25$ A) $\sqrt{10}, \\3\pi, \\3.25$. B) $\sqrt{10}, \\3.25, \\3\pi$. C) $3\pi, \\3.25, \\\sqrt{10}$. D) $3.25, \\\sqrt{10}, \\3\pi$. Show Answer Correct Answer: B) $\sqrt{10}, \\3.25, \\3\pi$. 21. $\frac{\sqrt{3}-\sqrt{7}}{\sqrt{3}+\sqrt{7}}$ A) $\frac{5-\sqrt{21}}{-2}$. B) $\frac{10-\sqrt{21}}{-2}$. C) $\frac{5-2\sqrt{21}}{-2}$. D) $-\frac{4}{10}=-\frac{2}{5}$. Show Answer Correct Answer: A) $\frac{5-\sqrt{21}}{-2}$. 22. Classify the number:0 A) Real Number. B) Irrational Number. C) Imaginary. D) Natural Number. Show Answer Correct Answer: A) Real Number. 23. Which of these values is the GREATEST? A) 63/7. B) 8.99. C) 450%. D) -22. Show Answer Correct Answer: A) 63/7. 24. What is Euclid's division Lemma? A) A=Bq+r. B) Q=a-Rb. C) A=br+q. D) A=bq. Show Answer Correct Answer: A) A=Bq+r. 25. HCF of 144 and 420 is 12 then their LCM is A) 6040. B) 4200. C) 1440. D) 5040. Show Answer Correct Answer: D) 5040. ← 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