This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Playing With Numbers > Class 8 Maths Chapter 16 Playing With Numbers – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 16 Playing With Numbers Quiz 3 (54 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Find the value of Q. Q 1+2 3 ..... 4 4 ..... A) 2. B) 1. C) 3. D) 4. Show Answer Correct Answer: A) 2. 3. 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. 4. 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. 5. 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. 6. 2A+3B=B1 Find A, B A) 5, 6. B) 3, 6. C) 4, 6. D) 6, 5. Show Answer Correct Answer: A) 5, 6. 7. Smallest odd prime number A) 5. B) 7. C) 1. D) 3. Show Answer Correct Answer: D) 3. 8. Suppose A is a digit. Find the value of A if 31A + 1A3 = 501. A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: D) 1. 9. (-6)-(-7) + (5) = ..... A) -6. B) -8. C) +6. D) 8. Show Answer Correct Answer: C) +6. 10. Multiplicative inverse of (-3/8) is? A) -8/3. B) 8/3. C) 3/8. D) -3/8. Show Answer Correct Answer: A) -8/3. 11. 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 48 sec. C) After 7 min 52 sec. D) After 7 min 12 sec. Show Answer Correct Answer: D) After 7 min 12 sec. 12. A shopkeeper marked a dinner set for $ 1000. He sold it at $ 900. What percent discount did he give? A) 15%. B) 10%. C) 5%. D) 20%. Show Answer Correct Answer: B) 10%. 13. What is the H. C. F. of 12, 18 & 24? A) 6. B) 3. C) 2. D) 5. Show Answer Correct Answer: A) 6. 14. Find x in '19x' so that 19x is the greatest 3-digit number and a common multiple of 3 and 5. A) 3. B) 5. C) 0. D) 2. Show Answer Correct Answer: B) 5. 15. If the number 25a25 is divisible by 5, what is the value of the digit a? A) Only 5. B) Only 2. C) Any number from 0 to 9. D) Only 0. Show Answer Correct Answer: C) Any number from 0 to 9. 16. If 15889367 is divisible by say 3 and 7, then what will it be definitely divisible by? A) 4. B) 10. C) 21. D) 37. Show Answer Correct Answer: C) 21. 17. Find two numbers whose product is a 1-digit number and the sum is a 2-digit number. A) 9 and 1. B) 8 and 1. C) 6 and 3. D) 9 and 2. Show Answer Correct Answer: A) 9 and 1. 18. Find the value of A, B in the following:A 1+ 2 B ..... B 0 A) 9, 9. B) 6, 6. C) 9, 6. D) 6, 9. Show Answer Correct Answer: D) 6, 9. 19. Which number is divisible by 10? A) 15. B) 75. C) 70. D) 89. Show Answer Correct Answer: C) 70. 20. Which if the following is divisible by 7 A) 2945. B) 1234. C) 4249. D) 4576. Show Answer Correct Answer: C) 4249. 21. The number 15287 is divisible by: A) 3. B) 7. C) 9. D) None. Show Answer Correct Answer: D) None. 22. If "5A x A = 399", then the value of A is A) 3. B) 6. C) 7. D) None of the above. Show Answer Correct Answer: C) 7. 23. The numbers which are in p/q form, q not equal to 0 is called? A) Rational numbers. B) Whole numbers. C) Natural numbers. D) Integers. Show Answer Correct Answer: A) Rational numbers. 24. If the 4-digit number 2X Y7 is exactly divisible by 3, then which of the following is the least value of (X + Y)? A) 6. B) 4. C) 5. D) 3. Show Answer Correct Answer: D) 3. 25. Find three whole numbers whose product and sum are equal. A) 2, 4, 6. B) 1, 2, 4. C) 3, 4, 5. D) 1, 2, 3. Show Answer Correct Answer: D) 1, 2, 3. 26. Generalised form of a four-digit number abdc is: A) 1000a + 100b + 10d + c. B) 1000a + 100c + 10b + d. C) A x b x c x d. D) 1000a + 100b + 10c + d. Show Answer Correct Answer: A) 1000a + 100b + 10d + c. 27. 34 A + Heb = Apartments, I think (a + b-x) = ..... A) 2. B) 0. C) 3. D) 1. Show Answer Correct Answer: A) 2. 28. Smallest odd composite number A) 1. B) 7. C) 3. D) 9. Show Answer Correct Answer: D) 9. 29. If 486*7 is divisible by 9, then the least value of * is ..... A) 1. B) 2. C) 0. D) 3. Show Answer Correct Answer: B) 2. 30. A pair of two numbers that have no common factor other than 1 are called? A) Twin Primes. B) Consecutive Number. C) Coprime Numbers. D) Both B and C. Show Answer Correct Answer: C) Coprime Numbers. 31. Which of the following number is a multiple of 7? A) 21. B) 15. C) 37. D) 73. Show Answer Correct Answer: A) 21. 32. Generalised form of a two digit number xy is A) X + y. B) 10 x + and. C) 10 x-y. D) None of the above. Show Answer Correct Answer: B) 10 x + and. 33. Second multiple of 7 is A) 21. B) 35. C) 14. D) 28. Show Answer Correct Answer: C) 14. 34. Greatest one digit prime number A) 1. B) 7. C) 3. D) 9. Show Answer Correct Answer: B) 7. 35. The number 2$^{3}$ x 3$^{2}$ is divisible by ..... A) 2 only. B) 3 only. C) 9 only. D) 2, 3 and 9. Show Answer Correct Answer: D) 2, 3 and 9. 36. If 64y8 is exactly divisible by 3, then the least value of y is? A) 2. B) 0. C) 1. D) 3. Show Answer Correct Answer: B) 0. 37. A 5-digit number 212p5 is a multiple of both 3 and 11. What could be the value of p? A) 5. B) 9. C) 8. D) 2. Show Answer Correct Answer: C) 8. 38. If a number is divisible by 2, then which of the following cannot be a one's digit? A) 4. B) 0. C) 2. D) 1. Show Answer Correct Answer: D) 1. 39. The sum of all 3 digit number formed using given three digit is always divisible by A) 21. B) 37. C) 19. D) 31. Show Answer Correct Answer: B) 37. 40. Simplify 0.000 000 786 in standard form A) $7.86x10^{-7}$. B) $6.34x10^3$. C) $ 7.36x10^6 $. D) None of the above. Show Answer Correct Answer: A) $7.86x10^{-7}$. 41. Find the HCF of two consecutive number is always ..... A) 0. B) 1. C) 2. D) None of the above. Show Answer Correct Answer: B) 1. 42. The general form of 1809 is: A) 1 x 1000 + 8 x 100 + 9. B) 800 + 9. C) 1000 + 809. D) None of the above. Show Answer Correct Answer: A) 1 x 1000 + 8 x 100 + 9. 43. The value of A and B in 4A+15=B2 A) A = 7, B = 7. B) A = 7, B = 4. C) A = 7, B = 6. D) A = 7, B = 5. Show Answer Correct Answer: C) A = 7, B = 6. 44. 6 can divide any number if it is divisible by 2 and 3. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 45. What is the general form of the four digit number abcd? A) A. 1000a + 100b + 10c + d. B) B. a + 10b + 100c + 1000d. C) C. 10a + 100b + 1000c + d. D) None of these. Show Answer Correct Answer: A) A. 1000a + 100b + 10c + d. 46. Is 3409122 divisible by 6? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 47. 2 B 6+1 3 A ..... 3 8 1 ..... Here the values of A and B are ..... A) A= 4, B =7. B) A= 7, B=4. C) A=4, B=5. D) A=5, B=4. Show Answer Correct Answer: D) A=5, B=4. 48. The number with unit place 0 is divisible by 10. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 49. What is the L. C. M. of 10, 15 & 20? A) 20. B) 40. C) 30. D) 60. Show Answer Correct Answer: D) 60. 50. $2000000001.3578\div1000000$ A) 20000000013578. B) 20000.000013578. C) 2000.0000013578. D) 20.000000013578. Show Answer Correct Answer: C) 2000.0000013578. 51. If "5A + B3 = 65" then the value of A and B is A) A = 2, B = 3. B) A = 3, B = 2. C) A = 2, B = 1. D) None of the above. Show Answer Correct Answer: C) A = 2, B = 1. 52. What is the smallest value of m in '530m' to make it divisible by 6? A) 0. B) 4. C) 6. D) 2. Show Answer Correct Answer: B) 4. 53. The sum of a two digit number and the number obtained by reversing its digits is always divisible by ..... A) 11. B) 3. C) 4. D) 9. Show Answer Correct Answer: A) 11. 54. Let abc be a three-digit number. Then, abc-cba is not divisible by: A) 11. B) 9. C) 33. D) 18. Show Answer Correct Answer: D) 18. ← PreviousRelated QuizzesMathematics QuizzesClass 8 QuizzesClass 8 Maths Chapter 16 Playing With Numbers Quiz 1Class 8 Maths Chapter 16 Playing With Numbers Quiz 2 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books