This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If n is an even natural number, then the largest natural number by which n(n+1) (n+2) is divisible, is A) 6. B) 12. C) 24. D) 8. Show Answer Correct Answer: C) 24. 2. Every positive integer is of the form 2q or 2q+1 where q is some A) Natural numbers. B) Rational numbers. C) Integers. D) None of these. Show Answer Correct Answer: C) Integers. 3. Simon and Travis both have square posters. Simon's poster has an area of 49 square inches. If Travis's poster has an area that is 13 square inches less that Simon's poster, what are the side lengths of Simon and Travis's posters? A) Simon's poster:7 inches; Travis's poster:6 inches. B) Simon's poster:7 inches; Travis's poster:5 inches. C) Simon's poster:6 inches; Travis's poster:5 inches. D) Simon's poster:6 inches; Travis's poster:7 inches. Show Answer Correct Answer: A) Simon's poster:7 inches; Travis's poster:6 inches. 4. $\frac{3^4}{3^{-4}}$ A) $1$. B) $3^8$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $3^8$. 5. If HCF of 65 and 117 are expressible in the form 65m-117, then value of m is ..... A) 2. B) -2. C) 13. D) 1. Show Answer Correct Answer: A) 2. 6. Classify the Number:-23 A) Rational. B) Real, rational, integer. C) Integer. D) Real, irrational, integer, whole. Show Answer Correct Answer: B) Real, rational, integer. 7. Prime factors of 60 is A) 2 x 3 x 10. B) 2 x 2 x 15. C) 2 x 2 x 3 x 5. D) 2 x 5 x 6. Show Answer Correct Answer: C) 2 x 2 x 3 x 5. 8. Give the most specific classification for $\pi$ A) Irrational. B) Rational. C) Integers. D) Whole. E) Natural. Show Answer Correct Answer: A) Irrational. 9. Find the value of:$\left(\left(16\right)^{-2}\right)^{\frac{1}{4}}$ A) 1/4. B) 1/2. C) 4. D) 1/16. Show Answer Correct Answer: A) 1/4. 10. For two real numbers, the product of their LCM and GCD is equal to A) Product of two numbers. B) Sum of two numbers. C) Difference between two numbers. D) Ratio of two numbers. Show Answer Correct Answer: A) Product of two numbers. 11. The decimal expansion of the rational number $\frac{2187}{1250}$ A) One decimal place. B) Two decimal place. C) Three decimal place. D) Four decimal place. Show Answer Correct Answer: D) Four decimal place. 12. Which list shows the numbers 5.78, -5.9, 58%, and 23/4 in order from least to greatest? A) -5.9, 23/4, 5.78, 58%. B) 23/4, -5.9, 58%, 5.78. C) -5.9, 23/4, 58%, 5.78. D) 58%, 23/4, 5.78, -5.9. Show Answer Correct Answer: C) -5.9, 23/4, 58%, 5.78. 13. Give the most specific classification for $1, 235$ A) Irrational. B) Rational. C) Integers. D) Whole. E) Natural. Show Answer Correct Answer: E) Natural. 14. Ex 4. Multiply8(-2)0 A) 0. B) -0. C) All the above. D) None of the above. Show Answer Correct Answer: A) 0. 15. HCF of 847 & 2160 is A) 3. B) 1. C) 6. D) 5. Show Answer Correct Answer: B) 1. 16. Three sets of physics, chemistry and mathematics books have to be stacked in such a way that all the books are stored topic wise and the number of books in each stack is the same. The number of physics books is 192, the number of chemistry books is 240 and the number of mathematics books is 168. Determine the number of stacks of physics, chemistry and mathematics books A) 8, 10, 7. B) 8, 8, 8. C) 7, 10, 8. D) 10, 8, 7. Show Answer Correct Answer: A) 8, 10, 7. 17. Identify the propertya(b + c) = ab + ac A) Associative of addtion. B) Distributive. C) Commutative of addition. D) Inverse. Show Answer Correct Answer: B) Distributive. 18. Order the following numbers from least to greatest:-0.75, 2, -1.5, 0.5 A) -1.5, 0.5, -0.75, 2. B) -1.5, -0.75, 0.5, 2. C) -0.75, 2, -1.5, 0.5. D) 2, -1.5, -0.75, 0.5. Show Answer Correct Answer: B) -1.5, -0.75, 0.5, 2. 19. Find the degree of the polynomial (x+1)(x$^{2}$-x-x$^{4}$ + 1)$^{ }$ A) 4. B) 8. C) 5. D) 1. Show Answer Correct Answer: C) 5. 20. The largest number which devides 70 and 125 leaving remainder 5 and 8 respectively is A) 13. B) 65. C) 875. D) 1750. Show Answer Correct Answer: A) 13. 21. How would you classify-4? A) Whole Number. B) Integer. C) Natural Number. D) None of the above. Show Answer Correct Answer: B) Integer. 22. Express 98 as a product of its primes A) 2$^{2}$x7. B) 2$^{2}$x7$^{2}$. C) 2x7$^{2}$. D) 2$^{3}$x7. Show Answer Correct Answer: C) 2x7$^{2}$. 23. True or false? No positive numbers are integers. A) True. Integers are only composed of negative numbers. B) False. All integers greater than zero are positive. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. All integers greater than zero are positive. 24. (Choose all correct answers) $\pi$ A) Whole number. B) Integer. C) Rational number. D) None of these. Show Answer Correct Answer: D) None of these. 25. Given that HCF (253, 440)= 11 and LCM (253, 440) = 253 x R. The value of R is: A) 400. B) 40. C) 440. D) 253. Show Answer Correct Answer: B) 40. ← 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