This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Integers include all whole numbers and the negative natural numbers. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. The simplest rationalizing factor of $\sqrt{3}+\sqrt{5}$ A) $\sqrt{3}+\sqrt{5}$. B) $\sqrt{3}-\sqrt{5}$. C) 1. D) None of these. Show Answer Correct Answer: B) $\sqrt{3}-\sqrt{5}$. 3. Find the greatest number that will divide 508, 635 and 762 leaving remainders 4, 5 and 6respectively. A) 234. B) 216. C) 126. D) 132. Show Answer Correct Answer: C) 126. 4. What is the most specific set for $0.375$ A) Natural. B) Whole. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: D) Rational. 5. If n = $2^3$ $3^4$ $5^4$ $7^2$ A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 6. The square root of 64 divided by the cube root of 64 is A) 64. B) 2. C) $\frac{1}{2}$. D) None of these. Show Answer Correct Answer: B) 2. 7. $\frac{9^{\frac{1}{3}}\times27^{\frac{-1}{2}}}{3^{\frac{1}{6}}\times3^{\frac{-2}{3}}}=$ A) $3^{\frac{-1}{3}}$. B) $3^{\frac{1}{3}}$. C) 3. D) $3^{\frac{2}{3}}$. Show Answer Correct Answer: A) $3^{\frac{-1}{3}}$. 8. If d= LCM (36, 198) then the value of d is: A) 396. B) 198. C) 36. D) 1. Show Answer Correct Answer: A) 396. 9. Classify the numbers by checking all that apply! $\sqrt{175}$ A) Natural. B) Whole. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: E) Irrational. 10. $\sqrt{3}$ A) Rational. B) Whole. C) Integer. D) Irrational. Show Answer Correct Answer: D) Irrational. 11. If $\frac{2^{x-1}\times4^{2x+1}}{8^{x-1}}=64$ A) 1. B) 2. C) -2. D) 3. Show Answer Correct Answer: A) 1. 12. Which of the following is not a rational number? $\sqrt{8}, \sqrt{16}, \sqrt{9}, \sqrt{25}$ A) $\sqrt{25}$. B) $\sqrt{8}$. C) $\sqrt{16}$. D) $\sqrt{9}$. Show Answer Correct Answer: B) $\sqrt{8}$. 13. Indicate the first three natural numbers. A) 0, 1, 2. B) 1, 2, 3. C) 2, 3, 4. D) None of the above. Show Answer Correct Answer: B) 1, 2, 3. 14. Which decimal equals the fraction $\frac{3}{8}$ A) 0.4. B) 0.375. C) 0.38. D) None of the above. Show Answer Correct Answer: B) 0.375. 15. What is the HCF of the smallest composite number and the smallest prime number A) 2. B) 1. C) 4. D) 8. Show Answer Correct Answer: A) 2. 16. If 2$^{3}$x3$^{a}$xb x7 is the prime factorization of 2520, then 5a + 2b = ..... A) 20. B) 15. C) 12. D) 18. Show Answer Correct Answer: A) 20. 17. Identify the example that represents theMultiplicative Property of Zero. A) -9 x 0 = 0. B) -9 + 9 = 0. C) 9-9 = 0. D) 9 + 0 = 9. Show Answer Correct Answer: A) -9 x 0 = 0. 18. The HCF of the two numbers is 23and their LCM is 1449. If one of the numbers is 161, then other number is A) 207. B) 414. C) 107. D) 205. Show Answer Correct Answer: A) 207. 19. Which option is IRRATIONAL? A) $\sqrt{8}$. B) $\left(\sqrt{10}\right)^2$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $\sqrt{8}$. 20. $n^2-1$ A) An integer. B) A natural number. C) An odd integer. D) An even integer. Show Answer Correct Answer: C) An odd integer. 21. The decimal form of irrational number is A) Terminating. B) Non-termining. C) Non-terminating non-repeating. D) None of the above. Show Answer Correct Answer: C) Non-terminating non-repeating. 22. Which one of the following is an irrational number? A) 0.371371371 . B) 2.39. C) 4.010010001 . D) 2.4. Show Answer Correct Answer: C) 4.010010001 . 23. Whole numbers always start with 1. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Let p be a prime number. If p divides $a^2$ A) P divides a. B) P does not divide a. C) A is not a positive integer. D) P is not a prime number. Show Answer Correct Answer: A) P divides a. 25. Log x + log y = A) Log xy. B) Log x/y. C) Log x+y. D) Log x-y. Show Answer Correct Answer: A) Log xy. ← 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 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 10Class 10 Maths Chapter 1 Real Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books