This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the conjugate of:$-3\sqrt{2}-6$ A) $-3\sqrt{2}+6$. B) $3\sqrt{2}+6$. C) $-6-3\sqrt{2}$. D) $-2\sqrt{3}-6$. Show Answer Correct Answer: A) $-3\sqrt{2}+6$. 2. $2.\overline{35}$ A) (a) an integer. B) (b) an irrational number. C) (c) a rational number. D) Both(a) and (c). Show Answer Correct Answer: C) (c) a rational number. 3. Write 3/8 in decimal form A) .0375. B) .375. C) .257. D) .335. Show Answer Correct Answer: B) .375. 4. A forester wants to plant 66 apple trees, 88 banana trees and 110 mango trees in equal rows (in terms of number of trees). Also he wants to make distinct rows of trees (i.e., only one type of trees in one row). The number of minimum rows required are A) 2. B) 3. C) 10. D) 12. Show Answer Correct Answer: D) 12. 5. From the choices given below mark the co-prime numbers A) 2, 3. B) 2, 4. C) 2, 6. D) 2, 110. Show Answer Correct Answer: A) 2, 3. 6. The product of two non zero irrational numbers is ..... A) Always rational. B) Always irrational. C) One. D) Always non-zero. Show Answer Correct Answer: D) Always non-zero. 7. About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have? A) 39 Computers. B) 4.3 Homes. C) 39 Homes. D) 4.3 Computers. Show Answer Correct Answer: A) 39 Computers. 8. Whole numbers are A) Values greater than zero. B) 0, 1, 2, 3, 4 . C) 1, 2, 3, 4, . D) , -2, -1, 0, 1, 2, . Show Answer Correct Answer: B) 0, 1, 2, 3, 4 . 9. Which comparison symbol should be placed between the two numbers?-1.98-1.97 A) <. B) >. C) =. D) None of the above. Show Answer Correct Answer: A) <. 10. An even positive integer is A) 6m. B) 6m+1. C) 6m+3. D) 6m+5. Show Answer Correct Answer: A) 6m. 11. Solve for x.3$^{x}$ = 27 A) 2. B) 4. C) 3. D) 5. Show Answer Correct Answer: C) 3. 12. Between which two whole numbers is $\sqrt{23}$ A) 22 and 24. B) 20 and 30. C) 4 and 5. D) 5 and 6. Show Answer Correct Answer: C) 4 and 5. 13. The total number of factors of a prime number is A) 1. B) 2. C) 0. D) 3. Show Answer Correct Answer: B) 2. 14. List all the classifications of numbers that apply to the real number. 436 A) Irrational. B) Rational, Integer, Whole. C) Natural, Whole, Integer, Rational. D) Rational, Integer. Show Answer Correct Answer: C) Natural, Whole, Integer, Rational. 15. Classify .25252525. A) Natural. B) Irrational. C) Rational. D) None of the above. Show Answer Correct Answer: C) Rational. 16. For every natural number n, $6^n$ A) 4. B) 6. C) 8. D) 0. Show Answer Correct Answer: B) 6. 17. If the LCM of 12 and 42 is 10m+4, then the value of 'm' A) 7. B) 8. C) 6. D) None of the above. Show Answer Correct Answer: B) 8. 18. There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harish takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet? A) 36 minutes. B) 18 minutes. C) 6 minutes. D) 40 minutes. Show Answer Correct Answer: A) 36 minutes. 19. Find the greatest number that can divide 6, 9 and 12 without any remainder. A) 12. B) 9. C) 6. D) 3. Show Answer Correct Answer: D) 3. 20. What is the most specific set for $0$ A) Natural. B) Whole. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: B) Whole. 21. The decimal expansion of $\frac{22}{7}$ A) Terminating. B) Non-terminating and repeating. C) Non-terminating and non-repeating. D) None of these. Show Answer Correct Answer: B) Non-terminating and repeating. 22. ASSERTION (A):HCF of two or more numbers =Product of the smallest of each common prime factors, involved in the numbersREASON (R):The HCF of 12, 21 and 15 is 3 A) A is true, R is a correct explanation for A. B) A is true, R is true, R is not a correct explanation for A. C) A is true;R is false A is false;R is true. D) A is false;R is true. Show Answer Correct Answer: A) A is true, R is a correct explanation for A. 23. A rational number in its decimal expansion is 327.7081. What would be the prime factors of q when the number is expressed in the p/q form? A) 2 and 3. B) 2, 3 and 5. C) 3 and 5. D) 2 and 5. Show Answer Correct Answer: D) 2 and 5. 24. $\left(4\times10^{-5}\right)+\left(3\times10^{-5}\right)$ A) $7\times10^{-5}$. B) $7\times10^0$. C) $7\times10^{-10}$. D) $7\times10^5$. Show Answer Correct Answer: A) $7\times10^{-5}$. 25. 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:Find the sum of exponents of the prime factors of total number of plants? A) 5. B) 3. C) 5. D) 6. Show Answer Correct Answer: D) 6. ← 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