This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a rational number? A) A rational number is a number that cannot be written as a fraction. B) A rational number is a number that can be written as a fraction. C) A rational number cannot be a repeating decimal. D) None of the above. Show Answer Correct Answer: B) A rational number is a number that can be written as a fraction. 2. The factors of 800 are A) 2$^{6 }$x 5$^{2}$. B) 2$^{5 }$x 5$^{3}$. C) 2$^{5 }$x 5$^{2}$. D) 2$^{6 }$x 5$^{3}$. Show Answer Correct Answer: C) 2$^{5 }$x 5$^{2}$. 3. Which one is not a perfect square? A) 100. B) 49. C) 117. D) 144$^{}$$^{}$. Show Answer Correct Answer: C) 117. 4. The decimalexpansion of 21/24 will terminate after how many places ofdecimal? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 5. If the product of two positive integers is equal to the product of their HCF and LCM is true then, the HCF (32, 36) is A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: B) 4. 6. (Choose all correct answers) $-\frac{2}{3}$ A) Whole number. B) Integer. C) Rational number. D) None of these. Show Answer Correct Answer: C) Rational number. 7. List all the classifications of numbers that apply to the real number.-1/4$^{}$ A) None. B) Rational, Integer, Whole. C) Natural, Whole, Integer, Rational. D) Rational. Show Answer Correct Answer: D) Rational. 8. A circular field has a circumference of 360 km. Two cyclists Peter and John start together and can cycle at speeds of 12 km/h and 15 km/h, respectively, round the circular field. The time taken by them to meet again at the starting point is A) 180 hrs. B) 120 hrs. C) 150 hrs. D) 130 hrs. Show Answer Correct Answer: B) 120 hrs. 9. Ex 1. Add.-10+15 A) -25. B) 25. C) 5. D) -5. Show Answer Correct Answer: C) 5. 10. -2.6-2.6 A) -5.2. B) 0. C) 5.2. D) 26. Show Answer Correct Answer: A) -5.2. 11. The exponent of 2 in the prime factorization of 480 A) 3. B) 7. C) 2. D) 5. Show Answer Correct Answer: D) 5. 12. Choice-36 A) -12. B) 12. C) 36. D) None of above. Show Answer Correct Answer: A) -12. 13. What is the additive inverse of 2/3? A) -2/3. B) 3/2. C) 2/3. D) -3/2. Show Answer Correct Answer: A) -2/3. 14. The area of a square is 45.5 cm$^{2}$. Which of the following is closest to the length of one side of the square? A) 23 cm. B) 6 cm. C) 11 cm. D) 7 cm. Show Answer Correct Answer: D) 7 cm. 15. Name the set or sets to which each real number belongs. $\frac{13}{4}$ A) Natural Number. B) Whole Number. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: D) Rational. 16. Who is known as the 'Prince of Mathematicians'? A) Newton. B) Euler. C) Archimedes. D) Carl Friedrich. Show Answer Correct Answer: D) Carl Friedrich. 17. The values of the remainder r, when a positive integer a is divided by 3 are(a) 0, 1, 2(b) Only 1(c) Only 0 or 1(d) 1, 2 A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 18. There are two positive integers, a and b. Given that their HCF is 15. Which of the followings cannot be their LCM? A) 105. B) 225. C) 125. D) 195. Show Answer Correct Answer: C) 125. 19. Calculate the difference between 9.6 and-3.2 A) 6.4. B) -2.8. C) 15.2. D) 12.8. Show Answer Correct Answer: D) 12.8. 20. 7 + (-10) A) -17. B) -3. C) 3. D) 17. Show Answer Correct Answer: B) -3. 21. $\sqrt{2}$ A) 0 and 1. B) 1 and 2. C) 2 and 10. D) None of the above. Show Answer Correct Answer: B) 1 and 2. 22. -17.5 A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rational. 23. Which set of rational numbers is arranged from greatest to least? A) A-6/5, -1/2, 0, 1/9, 0.6, 1.0. B) B 7/6, 0.9, 1/2, 3/8, -1/10, -0.7. C) C-3.25, 1/8, 7/5, 0.5, 1/3, 5/6. D) D 9/8, 7/6, -5/12, -1.1, -10/5, -3.6. Show Answer Correct Answer: B) B 7/6, 0.9, 1/2, 3/8, -1/10, -0.7. 24. If x3=343 then x is A) 9. B) 13. C) 7. D) 0. Show Answer Correct Answer: C) 7. 25. Is 8.27 rational or irrational? A) Rational. B) Irrational. C) Both. D) None of the above. Show Answer Correct Answer: A) Rational. ← 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 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