This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Maths Chapter 3 Playing With Numbers – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Maths Chapter 3 Playing With Numbers Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many prime numbers are there up to 100? A) 20. B) 22. C) 23. D) 25. Show Answer Correct Answer: D) 25. 2. 45 is divisible by which set of numbers? A) 1, 5, 25. B) 1, 5, 10, 25. C) 1, 5, 15, 45. D) All of these. Show Answer Correct Answer: C) 1, 5, 15, 45. 3. The prime factorization of 36 is ..... A) 3 x 6 x 2. B) 2 x 2 x 3 x 3 x 2. C) 2 x 2 x 3 x 3. D) 9 x 4. Show Answer Correct Answer: C) 2 x 2 x 3 x 3. 4. Solve the following sum 3 x 2 + 15 = A) 11. B) 21. C) 31. D) 23. Show Answer Correct Answer: B) 21. 5. Is 58, 212 divisible by 3? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 6. Fill the blank with the suitable digit:- ..... 8325 is divisible by 9 A) 0. B) 3. C) 6. D) 9. Show Answer Correct Answer: D) 9. 7. Is divisible by A) 2. B) 3. C) 11. D) 2 and 11. Show Answer Correct Answer: D) 2 and 11. 8. 3 + (8-4) x 2 x 7 A) 98. B) 59. C) 31. D) None of the above. Show Answer Correct Answer: B) 59. 9. Which of the following is not a multiple of 12 A) 12. B) 36. C) 98. D) 108. Show Answer Correct Answer: C) 98. 10. Which of the following numbers is not divisible by 4? A) 12. B) 24. C) 36. D) 46. Show Answer Correct Answer: D) 46. 11. Which is the largest prime number less than 100? A) 91. B) 93. C) 97. D) 99. Show Answer Correct Answer: C) 97. 12. What are the next three multiples?6, 12, 18, ..... , ..... , ..... A) 24, 30, 34. B) 24, 36, 42. C) 24, 30, 36. D) 22, 28, 34. Show Answer Correct Answer: C) 24, 30, 36. 13. Third multiple of six is ..... A) 12. B) 18. C) 24. D) 30. Show Answer Correct Answer: B) 18. 14. In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps? A) Have to find HCF. B) Have to find LCM. C) All the above. D) None of the above. Show Answer Correct Answer: B) Have to find LCM. 15. ..... is an exact divisor of a number. A) Multiple. B) Factor. C) Prime. D) Composite. Show Answer Correct Answer: B) Factor. 16. How many prime numbers are there which are less than 30 A) 7. B) 10. C) 11. D) 13. Show Answer Correct Answer: B) 10. 17. Who invented the Prime Number Sieve? A) Ramanujan. B) Single-line. C) Chanakya. D) Eratosthenes. Show Answer Correct Answer: D) Eratosthenes. 18. $ 8+4 \div2 \times5 $ A) 30. B) 50. C) 18. D) None of these. Show Answer Correct Answer: C) 18. 19. Which of the following is not divisible by 2? A) 2221. B) 1222. C) 2212. D) 2122. Show Answer Correct Answer: A) 2221. 20. The smallest odd prime number is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 21. Which of the following numbers are co-primes? A) 8, 12. B) 9, 10. C) 6, 8. D) 15, 18. Show Answer Correct Answer: B) 9, 10. 22. Identify whether the given statement is 'TRUE' or 'FALSE'All prime numbers are odd A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 23. Three clocks ring once at the same time. After that, the first clock rings after every 12 minutes, the second after every 24 minutes, and the third after every 36 minutes. After how many minutes will they again all ring together? A) 72 minutes. B) 120 minutes. C) 180 minutes. D) NONE OF THESE. Show Answer Correct Answer: A) 72 minutes. 24. Find the smallest possible number which on adding 19 becomes exactly divisible by 28, 36 and 45 A) 1239. B) 1241. C) 1243. D) 1245. Show Answer Correct Answer: B) 1241. 25. Which of the following are twin primes? A) 11 and 13. B) 19 and 23. C) 1 and 3. D) 7 and 11. Show Answer Correct Answer: A) 11 and 13. ← 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 3Class 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 10Class 6 Maths Chapter 3 Playing With Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books