This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following numbers is a perfect square? A) 169. B) 225. C) 400. D) All of these. Show Answer Correct Answer: D) All of these. 2. The water levels of five Texas lakes were measured on the same day in 2010. The table below shows the number of feet above or below normal level for each lake. Which list shows the numbers in the table from greatest to least? A) -2.65, -1.43, 0.16, 0.10, 0.07. B) 0.16, 0.10, 0.07, -1.43, -2.65. C) 0.16, 0.10, 0.07, -2.65, -1.43. D) -2.65, -1.43, 0.07, 0.10, 0.16. Show Answer Correct Answer: B) 0.16, 0.10, 0.07, -1.43, -2.65. 3. Find the greatest number of 5 digits, that will give us remainder of 5, when divided by 8 and 9 respectively. A) 99921. B) 99931. C) 99941. D) 99951. Show Answer Correct Answer: C) 99941. 4. Express 0.12545454 ..... in form of p/q. A) 2/3. B) 16/99. C) 234/999. D) 69/550. E) 1242/9900. Show Answer Correct Answer: D) 69/550. 5. The number of students in three sections A, B, and C of class VI in The Millennium school are 30, 35 and 40. Find the minimum number of books required for the class library for equal distribution in section A, B and C.Problem can be solved using A) LCM. B) HCF. C) None. D) None of the above. Show Answer Correct Answer: A) LCM. 6. The LCM of smallest two digit composite number and smallest composite number is A) 12. B) 4. C) 20. D) 44. Show Answer Correct Answer: C) 20. 7. Which of the following are coprimes A) 4, 6. B) 8, 9. C) 5, 10. D) 10, 12. Show Answer Correct Answer: B) 8, 9. 8. True or False:The numbers on a standard ruler can be negative integers A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. The prime factor of 2x7x11x17x23+23 is ..... A) 24. B) 23. C) 25. D) None of the above. Show Answer Correct Answer: B) 23. 10. Which property states that any number added by zero stays the same? A) Multiplicative Property of Zero. B) Additive Identity. C) Additive Inverse. D) Multiplicative Identity. Show Answer Correct Answer: B) Additive Identity. 11. The sum of a rational number and an irrational number is equal to ..... A) Whole number. B) Integer. C) Irrational. D) Rational. Show Answer Correct Answer: C) Irrational. 12. $\sqrt{9}+\sqrt{100}$ A) $\sqrt{109}$. B) 13. C) 19. D) Nil. Show Answer Correct Answer: B) 13. 13. The product of a rational and an irrational numbers is A) Always an irrational number. B) Always an integer. C) Can not say. D) Always a rational number. Show Answer Correct Answer: A) Always an irrational number. 14. The decimal expansion of the rational number $\frac{33}{2^2\cdot5}$ A) One decimal place. B) Two decimal places. C) Three decimal places. D) More than 3 decimal places. Show Answer Correct Answer: B) Two decimal places. 15. If the LCM of two numbers is 120 and their HCF is 10, and one number is 20, then the other number is: A) 30. B) 60. C) 40. D) 50. Show Answer Correct Answer: B) 60. 16. If LCM (77, 99) = 693, then HCF (77, 99) is A) 11. B) 7. C) 9. D) 22. Show Answer Correct Answer: A) 11. 17. Evaluate.log$_{}$$_{3}$81 A) 4. B) $^{1}$/$_{4}$. C) -4. D) -$^{1}$/$_{4}$. Show Answer Correct Answer: A) 4. 18. Perform the operation (-5) + 3.7-1.2 A) -3.5. B) 0.5. C) 2.3. D) -1.5. Show Answer Correct Answer: D) -1.5. 19. Select all sets that the number belongs to:$\sqrt{3}$ A) Irrational Number. B) Rational Number. C) Integer. D) Whole Number. E) Natural Number. Show Answer Correct Answer: A) Irrational Number. 20. If the HCF of two numbers is 12 and their product is 2880, then their LCM is: A) 120. B) 100. C) 240. D) 360. Show Answer Correct Answer: C) 240. 21. An army contingent of 616 members is to march behind an army band of 3 2members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march? A) 8. B) 7. C) 6. D) 9. Show Answer Correct Answer: A) 8. 22. Ex 3. Simplify-5-4+2 A) -7. B) 7. C) All the above. D) None of the above. Show Answer Correct Answer: A) -7. 23. Two natural numbers whose sum is 85 and the least common multiple is 102 are: A) 30 and 55. B) 17 and 68. C) 35 and 55. D) 51 and 34. Show Answer Correct Answer: D) 51 and 34. 24. The representation of $1.\overline{3}$ $\frac{p}{q}$ A) $\frac{3}{4}$. B) $\frac{5}{3}$. C) $\frac{5}{4}$. D) None of these. Show Answer Correct Answer: A) $\frac{3}{4}$. 25. The product of two factors is positive. One factor is negative. The other factor is ..... A) Positive. B) Negative. C) Zero. D) Not enough information. Show Answer Correct Answer: B) Negative. ← 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