This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Maths Chapter 3 Playing With Numbers – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Maths Chapter 3 Playing With Numbers Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Prime numbers have: A) Exactly 2 factors. B) 2 pairs of factors. C) More than 2 factors. D) 1 factor. Show Answer Correct Answer: A) Exactly 2 factors. 2. Which number is a factor of 25? A) 1. B) 2. C) 10. D) 50. Show Answer Correct Answer: A) 1. 3. The sum of prime factors of 1729 are- A) 32. B) 39. C) 19. D) 13. Show Answer Correct Answer: B) 39. 4. 1 is ..... A) Prime number. B) Composite number. C) Neither prime nor composite number. D) None of the above. Show Answer Correct Answer: C) Neither prime nor composite number. 5. 45, 54 AND 63 ARE ALL MULTIPLES OF WHICH NUMBER? A) 12. B) 3. C) 7. D) 9. Show Answer Correct Answer: D) 9. 6. These factors are for which number? 1, 3, 5, 15 A) 15. B) 5. C) 3. D) 25. Show Answer Correct Answer: A) 15. 7. The smallest digit in the '*' of 67*24 so that the number formed is divisible by 3: A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: C) 2. 8. Which of the following is divisible by 3? A) 474. B) 31. C) 85. D) 100. Show Answer Correct Answer: A) 474. 9. LCM of 17 and 5 is A) 105. B) 95. C) 85. D) 5. Show Answer Correct Answer: C) 85. 10. The LCM of two consecutive numbers is A) Their Sum. B) Their Product. C) Their Difference. D) None of these. Show Answer Correct Answer: B) Their Product. 11. What is the HCF of 81, 117? A) 9. B) 4. C) 13. D) 21. Show Answer Correct Answer: A) 9. 12. 24 can be expressed as sum of two odd prime numbers as ..... A) 12 + 12. B) 13 + 11. C) 9 + 15. D) 21 + 5. Show Answer Correct Answer: B) 13 + 11. 13. The LCM of two co-prime numbers is A) Their Product. B) Their Sum. C) Their difference. D) None of these. Show Answer Correct Answer: A) Their Product. 14. Which of the following is the smallest prime number: A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 15. Which of the following numbers is not a factor of 68 A) 2. B) 4. C) 17. D) 6. Show Answer Correct Answer: D) 6. 16. WHAT IS THE LCM OF 3, 5 AND 7? A) 126. B) 21. C) 105. D) 63. Show Answer Correct Answer: C) 105. 17. If a number is divisible by both 2 and 3 then it is also divisible by ..... A) 5. B) 6. C) 8. D) 10. Show Answer Correct Answer: B) 6. 18. Is 64 Prime or Composite? A) Prime. B) Composite. C) All the above. D) None of the above. Show Answer Correct Answer: B) Composite. 19. Which of the following numbers is divisible by 11? A) 165. B) 111. C) 222. D) 100. Show Answer Correct Answer: A) 165. 20. ..... is a factor of all numbers. A) 1. B) 0. C) 2. D) None of the above. Show Answer Correct Answer: A) 1. 21. All numbers which are divisible by 8 must be divisible by 4 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Which of the following number is divisible by 11? A) 137629. B) 5626958. C) 901351. D) 438750. Show Answer Correct Answer: C) 901351. 23. The number 70, 110 is divisible ..... A) By 2, 3, 10. B) By 2, 10. C) By 2, 3, 5, 10. D) By 2, 4, 5. Show Answer Correct Answer: C) By 2, 3, 5, 10. 24. State true or false+A number is a factor of all it's multiples. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 25. Is 81 divisible by 3? A) Yes, because the sum of the digits is 9, a multiple of 3. B) No, because 81 is an odd number. C) Yes, because 81 is an odd number. D) No, because 81 does not end in 3. Show Answer Correct Answer: A) Yes, because the sum of the digits is 9, a multiple of 3. ← PreviousNext →Related QuizzesClass 6 Maths Chapter 3 Playing With Numbers Quiz 1Class 6 Maths Chapter 3 Playing With Numbers Quiz 2Class 6 Maths Chapter 3 Playing With Numbers Quiz 4Class 6 Maths Chapter 3 Playing With Numbers Quiz 5Class 6 Maths Chapter 3 Playing With Numbers Quiz 6Class 6 Maths Chapter 3 Playing With Numbers Quiz 7Class 6 Maths Chapter 3 Playing With Numbers Quiz 8Class 6 Maths Chapter 3 Playing With Numbers Quiz 9Class 6 Maths Chapter 3 Playing With Numbers Quiz 10Class 6 Maths Chapter 3 Playing With Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books