This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 16 Playing With Numbers ā Quiz 6 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 16 Playing With Numbers Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the smallest value of x in '230x' to make it divisible by 4? A) 8. B) 4. C) 2. D) 0. Show Answer Correct Answer: D) 0. 2. What is the smallest even prime number? A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: C) 2. 3. 3 and 6 are factors of ..... A) 2. B) 3. C) 6. D) None of these. Show Answer Correct Answer: D) None of these. 4. Prime numbers have ..... factors. A) 1. B) 0. C) 2. D) More than 2. Show Answer Correct Answer: C) 2. 5. If a02b1c is a 6-digit number that is divisible by 3 then the least possible value of a + b + c is ..... A) 0. B) 3. C) 6. D) 9. Show Answer Correct Answer: B) 3. 6. Which of the following number is a composite number? A) 2. B) 3. C) 8. D) 11. Show Answer Correct Answer: C) 8. 7. The sum of the digits of a two-digit number is 9. The number is 9 times the unit digit. Find the number A) 36. B) 54. C) 45. D) 27. Show Answer Correct Answer: C) 45. 8. The H. C. F. of two consecutive number is always? A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: B) 1. 9. The usual form of the number $5\times100+6\times1$ A) 506. B) 5006. C) 56. D) 11. Show Answer Correct Answer: A) 506. 10. A number for which sum of all its factors is equal to twice number is called A) Odd number. B) Perfect number. C) Prime number. D) Even number. Show Answer Correct Answer: B) Perfect number. 11. The number of prime factors of 56 A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: B) 4. 12. The multiple of 2 are also called A) Composite numbers. B) Prime numbers. C) Odd numbers. D) Even numbers. Show Answer Correct Answer: D) Even numbers. 13. Which number is neither prime or composite A) 3. B) 1. C) 0. D) 2. Show Answer Correct Answer: B) 1. 14. Product when an odd number is multiplied by an even number is A) Odd. B) Even. C) All the above. D) None of the above. Show Answer Correct Answer: B) Even. 15. Find the value of Q. Q 1+2 3 ..... 4 4 ..... A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 16. Which of the following is one's digit of a number, when divided by 5 gives a remainder of 3? A) 8. B) 3. C) 8 or 3. D) None. Show Answer Correct Answer: C) 8 or 3. 17. The number $2^3\times3^2$ A) 2 only. B) 3 only. C) 9 only. D) 2, 3 and 9. Show Answer Correct Answer: D) 2, 3 and 9. 18. Identify whether the given statement is "TRUE" OR "FLASE"The sum of two odd numbers is always odd A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 19. 2A+3B=B1 Find A, B A) 5, 6. B) 4, 6. C) 6, 5. D) 3, 6. Show Answer Correct Answer: A) 5, 6. 20. Smallest odd prime number A) 3. B) 1. C) 5. D) 7. Show Answer Correct Answer: A) 3. 21. Suppose A is a digit. Find the value of A if 31A + 1A3 = 501. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 22. (-6)-(-7) + (5) = ..... A) -6. B) +6. C) 8. D) -8. Show Answer Correct Answer: B) +6. 23. Multiplicative inverse of (-3/8) is? A) 3/8. B) 8/3. C) -8/3. D) -3/8. Show Answer Correct Answer: C) -8/3. 24. The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change simultaneously again? A) After 7 min. B) After 7 min 12 sec. C) After 7 min 48 sec. D) After 7 min 52 sec. Show Answer Correct Answer: B) After 7 min 12 sec. 25. A shopkeeper marked a dinner set for $ 1000. He sold it at $ 900. What percent discount did he give? A) 5%. B) 10%. C) 15%. D) 20%. 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