This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $\left(1.9\times10^3\right)\left(4.5\times10^2\right)$ A) $8.55\times10^5$. B) $8.55\times10^1$. C) $8.55\times10^6$. D) $8.55\times10^0$. Show Answer Correct Answer: A) $8.55\times10^5$. 2. The least number that is divisible by all the numbers from 1 to 5 (both inclusive) is A) 5. B) 60. C) 20. D) 100. Show Answer Correct Answer: B) 60. 3. HCF of 2 and 4 is A) 8. B) 4. C) 2. D) 10. Show Answer Correct Answer: C) 2. 4. (16)$^{1/2=}$ A) 16$^{2}$. B) 4. C) 12. D) 16. Show Answer Correct Answer: B) 4. 5. The product of a non-zero rational and an irrational numbers is A) Always irrational. B) Always rational. C) Rational r irrational. D) 1. Show Answer Correct Answer: A) Always irrational. 6. Two tankers contain 850 liters and 680 liters of petrol. Find the maximum capacity of a container which can measure the petrol of each tanker in the exact number of times. (2012) A) 10. B) 170. C) 850. D) $850\times680$. Show Answer Correct Answer: B) 170. 7. -4 is not a whole number because: A) It's negative and whole numbers are positive. B) It's irrational. C) It cannot be turned into a fraction. D) It is even. Show Answer Correct Answer: A) It's negative and whole numbers are positive. 8. Which is the largest number that divides 70 and 125, leaving remainders 5 and 8 respectively ..... A) 13. B) 9. C) 3. D) 585. Show Answer Correct Answer: A) 13. 9. The HCF of 52 and 130 is A) 52. B) 130. C) 13. D) 26. Show Answer Correct Answer: A) 52. 10. True or False:Zero is a counting number. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Express 0.245245245 as a fraction in simplest form. A) 27/110. B) 24/1100. C) 27/100. D) 27/1100. Show Answer Correct Answer: A) 27/110. 12. The number 1.101001000100001 ..... is A) Natural number. B) Irrational. C) Rational. D) Integer. Show Answer Correct Answer: B) Irrational. 13. Give the most specific classification for $-\left(3\right)^2$ A) Irrational. B) Rational. C) Integers. D) Whole. E) Natural. Show Answer Correct Answer: C) Integers. 14. The decimal expansion of 189/125 will terminate after A) 4 Places of Decimal. B) 3 Places of Decimal. C) 5 Places of Decimal. D) None of the above. Show Answer Correct Answer: B) 3 Places of Decimal. 15. -6-(-10) A) -16. B) -4. C) 4. D) 16. Show Answer Correct Answer: C) 4. 16. What is the least number that must be added to 1056 so the number is divisibleby 23? A) 0. B) 3. C) 2. D) 1. Show Answer Correct Answer: C) 2. 17. $\left(8.6\times10^5\right)\left(3.2\times10^2\right)$ A) $27.52\times10^7$. B) $2.752\times10^7$. C) $5.4\times10^3$. D) $2.752\times10^8$. Show Answer Correct Answer: D) $2.752\times10^8$. 18. If two positive integers a and b are written as a = p$^{3}$q$^{2}$ and b = pq$^{3}$; p, q are prime numbers, then HCF (a, b) is: A) Pq. B) $pq^2$. C) $p^3q^3$. D) None of these. Show Answer Correct Answer: B) $pq^2$. 19. The product $\sqrt[3]{2}$ $\sqrt[4]{2}$ $\sqrt[12]{32}$ A) $\sqrt[]{2}$. B) 2. C) $\sqrt[12]{2}$. D) $\sqrt[12]{32}$. Show Answer Correct Answer: B) 2. 20. Every number is of the form- A) 2m. B) 2m+1. C) Both the above options. D) None of these. Show Answer Correct Answer: C) Both the above options. 21. Write this fraction as a decimal.1/9 A) 9. B) .111 . C) 1.9. D) 1.11. Show Answer Correct Answer: B) .111 . 22. A non-terminating and non recurring 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. 23. Which of the following real numbers has the smallest value? A) 7.1. B) 6pi. C) 20/3. D) Square root of 51. Show Answer Correct Answer: C) 20/3. 24. The product of a non zero rational number and an irrational number is A) Always irrational. B) Always rational. C) Rational or irrational. D) None of these. Show Answer Correct Answer: A) Always irrational. 25. Order the following numbers from greatest to least:1.2, -3, 0, -0.5 A) -3, 0, -0.5, 1.2. B) 1.2, -0.5, 0, -3. C) 1.2, 0, -0.5, -3. D) 0, -3, -0.5, 1.2. Show Answer Correct Answer: C) 1.2, 0, -0.5, -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 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