This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 16 Playing With Numbers ā Quiz 4 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 16 Playing With Numbers Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. AB X 2 = B02 A) 5, 1. B) 5, 5. C) 1, 1. D) 1, 5. Show Answer Correct Answer: A) 5, 1. 2. One number is multiple of another. The LCM of these numbers is: A) The sum. B) Their product. C) The smaller number. D) The greater number. Show Answer Correct Answer: D) The greater number. 3. Is 231552 is divisible by 6 or not A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 4. Is 39487362 divisible by 3 A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: A) YES. 5. If the sum of all digits is divisible by 9 only then the number is divisible by 9. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Let 'ab' be a three digit number. Then ab-ba is not divisible by A) 9. B) 11. C) 33. D) None of the above. Show Answer Correct Answer: B) 11. 7. Generalised form of a gour digit number abdc is A) 1000 a + 100 b + 10 c + d. B) 1000 a + 100 c + 10 b + d. C) 1000 a + 100 b + 10 d + c. D) None of the above. Show Answer Correct Answer: C) 1000 a + 100 b + 10 d + c. 8. LCM of 4 and 6 is: A) 4. B) 6. C) 8. D) 12. Show Answer Correct Answer: D) 12. 9. = 1+4. True or False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Number 2345 is divisible by A) 5. B) 4. C) 3. D) All. Show Answer Correct Answer: A) 5. 11. App+Tat = p A) 3, 3. B) 1, 3. C) 1, 1. D) 3, 1. Show Answer Correct Answer: D) 3, 1. 12. Pair of prime numbers whose difference 2 is A) Coprimes. B) Twin primes. C) Perfect numbers. D) Composite numbers. Show Answer Correct Answer: B) Twin primes. 13. List all the factors of 42: A) 1, 2, 3, 4, 6, 7, 8, 12, 21, 42. B) 1, 2, 3, 6, 7, 14, 21, 42. C) All the above. D) None of the above. Show Answer Correct Answer: B) 1, 2, 3, 6, 7, 14, 21, 42. 14. If [3x74] is a number divisible by 9, then the least value of X is ..... A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 15. Is 39487362 divisible by 9 A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 16. Find the least number which when dividedby 12, 16, 24 and 36 leaves a remainder 7 in each case. A) 144. B) 151. C) All the above. D) None of the above. Show Answer Correct Answer: B) 151. 17. Which of the following number is divisible by 6. A) 23832. B) 24836. C) 76348. D) 19625. Show Answer Correct Answer: A) 23832. 18. Which of the following is smallest prime number: A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 19. Which number is a factor of every number? A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: B) 1. 20. If 37x07 is divisible by 9, then find value of x A) 3. B) 2. C) 4. D) 5. E) 1. Show Answer Correct Answer: E) 1. 21. ..... is the factor of every number A) 0. B) 2. C) Number itself. D) 1. Show Answer Correct Answer: D) 1. 22. If A3 + 8B = 150, then the value of A + B is A) 13. B) 12. C) 17. D) 15. Show Answer Correct Answer: A) 13. 23. A number is divisible by 6if it is divisible by A) 2. B) 3. C) Both 2 & 3. D) Only 2 or only 3. Show Answer Correct Answer: C) Both 2 & 3. 24. How many prime numbers exist between 1 and 10? A) 3. B) 4. C) 5. D) 2. Show Answer Correct Answer: B) 4. 25. A number divisible by 9 is also divisible by: A) 3. B) 6. C) 11. D) 12. 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