This quiz works best with JavaScript enabled. Home > Cbse > Class 9 > Mathematics > Number Systems > Class 9 Maths Chapter 1 Number Systems – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 1 Number Systems Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $\frac{3x^0-2}{x^0+1}$ A) 2. B) 1. C) $\frac{1}{2}$. D) 3. Show Answer Correct Answer: C) $\frac{1}{2}$. 2. The number is ( $3-\sqrt{3}$ $-\sqrt{3}$ A) An irrational number. B) A rational number. C) Not a natural number. D) None of these. Show Answer Correct Answer: B) A rational number. 3. Which of the following is an invalid BCD code? A) 0011. B) 0101. C) 1101. D) 1001. Show Answer Correct Answer: C) 1101. 4. To which category does the number 3 belong? A) All of These. B) Integer Only. C) Rational # Only. D) Whole # Only. Show Answer Correct Answer: A) All of These. 5. Mr. Parker had $ 86 to buy school supplies for his class. He bought 32 boxes of pencils and 32 packages of notebook paper. Each package of paper cost $ 1.09, and each box of pencils cost $ 0.75. How much money did Mr. Parker have left? A) $ 58. B) $ 27.12. C) $ 588.80. D) $ 58.88. Show Answer Correct Answer: B) $ 27.12. 6. Every rational number is also a A) Real number. B) Whole number. C) Natural number. D) Integer. Show Answer Correct Answer: A) Real number. 7. The binary number which comes after 101 is A) 100. B) 1100. C) 111. D) 110. Show Answer Correct Answer: D) 110. 8. Which has the same absolute value as-55? A) 0. B) 55. C) 1. D) -1. Show Answer Correct Answer: B) 55. 9. Marvin had 2 spools of thread. Each spool contained $10\\frac{1}{2}$ A) 13 yds. B) 8 yds. C) 20.5 yds. D) 2.5 yds. Show Answer Correct Answer: A) 13 yds. 10. What is the base of the hexadecimal number system? A) 16. B) 8. C) 6. D) 10. Show Answer Correct Answer: A) 16. 11. Joe went scuba diving. He descended down to 5 feet below sea level, stopped, then went down another 20 feet. What is Joe's level? A) -25 feet. B) 15 feet. C) -15 feet. D) 25 feet. Show Answer Correct Answer: A) -25 feet. 12. GOKUL, DAVID, and JOHN are planning a party and need to find the least common multiple of the number of balloons they each have:5, 10, and 15. A) 25. B) 15. C) 35. D) 30. Show Answer Correct Answer: D) 30. 13. What is the binary representation of the decimal number 13? A) 1101. B) 1011. C) 1001. D) 1110. Show Answer Correct Answer: A) 1101. 14. There are 4 positive charges and 5 negative charges. Which integerrepresents the total value of the charges? A) -1. B) 1. C) -9. D) 9. Show Answer Correct Answer: A) -1. 15. Which of the following is a rational number between 15 and 16? A) $\frac{16}{2}$. B) $\frac{15}{2}$. C) $\frac{31}{5}$. D) $\frac{63}{4}$. Show Answer Correct Answer: D) $\frac{63}{4}$. 16. Find the binary of 1E A) 00011110. B) 01001000. C) 00101110. D) 10011100. Show Answer Correct Answer: A) 00011110. 17. Convert the following binary number to octal.010111100 A) 174. B) 172. C) 274. D) 272. Show Answer Correct Answer: C) 274. 18. Davis earned $ 36.12 for making 7 touchdowns at his football game. How much does he make per touchdown? A) $ 5.14. B) $ 5.16. C) $ 5.12. D) $ 5.17. Show Answer Correct Answer: B) $ 5.16. 19. Rationalize the denominator:$\frac{\sqrt{5}}{2\sqrt{3}}$ A) $\frac{\sqrt{15}}{6}$. B) $\frac{5\sqrt{3}}{6}$. C) $\frac{\sqrt{15}}{18}$. D) $\frac{5\sqrt{3}}{18}$. Show Answer Correct Answer: A) $\frac{\sqrt{15}}{6}$. 20. Write the decimal number of 1110 A) 10. B) 14. C) 12. D) 13. Show Answer Correct Answer: B) 14. 21. Oscar needs to ship 14 rocks CDs, 12 classical CDs, and 8 pop CDs. He can pack only one type of CD in each box and he must pack the same number of CDs in each box. What is the greatest number of CDs Oscar can pack in each box? A) 7. B) 8. C) 2. D) 1. Show Answer Correct Answer: C) 2. 22. The binary equivalent of 9 is A) 1110. B) 1000. C) 1101. D) 1001. Show Answer Correct Answer: D) 1001. 23. What is 3/8 as a decimal? A) 0.425. B) 0.38. C) 2.666. D) 0.375. Show Answer Correct Answer: D) 0.375. 24. The ASCII code is basically ..... bit code A) 8. B) 7. C) 5. D) 6. Show Answer Correct Answer: B) 7. 25. A repeating decimal or decimal that terminates is called a A) Irrational Number. B) Natural Number. C) Rational Number. D) Whole Number. Show Answer Correct Answer: C) Rational Number. 26. David and Nithin are friends whose ages are in the ratio 2:3. If David is 16 years old, how old is Nithin? A) 30. B) 20. C) 18. D) 24. Show Answer Correct Answer: D) 24. 27. Maya had 16 red flowers and 24 yellow flowers. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets that she can make? A) 48. B) 4. C) 2. D) 8. Show Answer Correct Answer: D) 8. 28. What is the base of the octal number system? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: D) 8. 29. Calculate the LCM of 6 and 9. A) 54. B) 36. C) 18. D) 27. Show Answer Correct Answer: C) 18. 30. The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on today's menu, how many days will it be before they are both on the menu again? A) 34 days. B) 24 days. C) 44 days. D) 14 days. Show Answer Correct Answer: B) 24 days. 31. How could this number be identified? (Select ALL the correct options) $\frac{2}{3}$ A) Whole number. B) Natural number. C) Rational number. D) Integer. Show Answer Correct Answer: C) Rational number. 32. 2'S Complement of 1011 A) 0101. B) 0100. C) 1101. D) 0010. Show Answer Correct Answer: A) 0101. 33. Hexadecimal letters A through F are used for decimal equivalent values from: A) 9 through 14. B) 10 through 15. C) 1 through 6. D) 11 through 17. Show Answer Correct Answer: B) 10 through 15. 34. David and Prathap are working together to find the LCM of 8 and 14 for their math project. A) 56. B) 72. C) 48. D) 28. Show Answer Correct Answer: A) 56. 35. 16 bit string is called A) Byte. B) Word. C) Nibble. D) Double wword. Show Answer Correct Answer: B) Word. 36. What is the base of the binary number system? A) 10. B) 2. C) 8. D) 16. Show Answer Correct Answer: B) 2. 37. Three friends went to the movies. They shared 4/5 of a candy bar. If they share the bar equally, how much of the candy bar will each person get? A) 4/15. B) 12/5. C) 2 2/5. D) 5/8. Show Answer Correct Answer: A) 4/15. 38. Convert 0.25 to binary A) 010. B) 001. C) 100. D) 101. Show Answer Correct Answer: A) 010. 39. One Nibble contain the number of bits equal to A) 2. B) 8. C) 4. D) 16. Show Answer Correct Answer: C) 4. 40. If a number is divisible by 4 and 6, what other number must it be divisible by? A) 12. B) 18. C) 8. D) 24. Show Answer Correct Answer: A) 12. 41. Which best describes the relationship between-25 and-30 on thenumber line? A) -25 is less than-30. B) -30 is located closer to zero than-25. C) -30 is located to the right of-25. D) -25 is greater than-30. Show Answer Correct Answer: D) -25 is greater than-30. 42. Sam's bank account balance on Monday was $ 8. On Tuesday, his account balance was-$ 2. How much money did Sam withdraw from his account between Monday and Tuesday? A) $ 8. B) $ 2. C) $ 10. D) $ 6. Show Answer Correct Answer: C) $ 10. 43. Convert 59.72$_{10 }$to BCD. A) 0101100101110010. B) 01011001.01110010. C) 111011. D) 1110.11. Show Answer Correct Answer: B) 01011001.01110010. 44. What is the binary representation of the decimal number 5? A) 110. B) 100. C) 111. D) 101. Show Answer Correct Answer: D) 101. 45. The BCD number for decimal 347 is ..... A) 0011 0100 0001. B) 1100 1011 1000. C) 0011 0100 0111. D) 1100 1011 0110. Show Answer Correct Answer: C) 0011 0100 0111. 46. Name the number system that best describes the situation.Battery percentage on your phone. A) Integers. B) Real Numbers. C) Rational Numbers. D) Whole Numbers. E) Natural Numbers. Show Answer Correct Answer: D) Whole Numbers. 47. Do you think $\sqrt{\left(3\right)\left(4\right)}$ $\sqrt{3}\times\sqrt{4}$ A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 48. Michael bought a pair of goggles for $ 21.35, a swim cap for $ 5.93, and aswim suit for $ 32.61. All prices include sales tax. How much did Michaelspend? A) $ 49.89. B) $ 48.79. C) $ 59.89. D) $ 58.79. Show Answer Correct Answer: C) $ 59.89. 49. The distance around the outside of Cedar Park is 0.8 mile. Joanie ran 0.25 of the distance during her lunch break. How far did she run? A) 0.55 mile. B) 1.05 mile. C) 0.2 mile. D) 3.2 mile. Show Answer Correct Answer: C) 0.2 mile. 50. Name the number system that best describes the situation.Time of a 400m runner in the Olympics. A) Irrational Numbers. B) Integers. C) Rational Numbers. D) Real Numbers. E) Whole numbers. Show Answer Correct Answer: D) Real Numbers. 51. How do you write this number using digits? Six Lakhs, fifty two thousand, twenty-two A) 6, 52, 022. B) 6, 52, 200. C) 6, 52, 202. D) 6, 52, 002. Show Answer Correct Answer: A) 6, 52, 022. 52. Which one of the following is an unweighted code? A) ASCII. B) Gray code. C) BCD. D) Excess-3. Show Answer Correct Answer: B) Gray code. 53. Calculate $0.6\div\left(-0.03\right)$ A) $2$. B) $-2$. C) $20$. D) $-20$. Show Answer Correct Answer: D) $-20$. 54. Convert decimal 8 to binary A) 1000. B) 0010. C) 0001. D) 0100. Show Answer Correct Answer: A) 1000. 55. Name the number system that best describes the situation.Money you spend and earn. A) Whole Numbers. B) Integers. C) Real Numbers. D) Irrational Numbers. E) Rational Numbers. Show Answer Correct Answer: E) Rational Numbers. 56. What is the number name for 38, 072? A) Thirty-eight thousand, twenty-seven. B) Thirty-eight thousand, seven hundred twenty. C) Thirty-eight thousand, seven hundred two. D) Thirty-eight thousand, seventy-two. Show Answer Correct Answer: D) Thirty-eight thousand, seventy-two. 57. Cathy bought 2 notebooks that were $ 2.25 each, and a box of markers that was $ 3.68. What is the total cost of her notebooks and markers? A) $ 5.93. B) $ 8.18. C) $ 9.61. D) None of the above. Show Answer Correct Answer: B) $ 8.18. 58. The String of 8 bits is knows as A) Nibble. B) Octed. C) Quad. D) Byte. Show Answer Correct Answer: D) Byte. 59. Place the numbers in order least to greatest.-2.5, -3.5, -1.5, -2.4, 0, -3.75 A) -1.5, -2.4, -2.5, -3.5, -3.75, 0. B) 0, -1.5, -2.4, -2.5, -3.5, -3.75. C) -3.75, -3.5, -2.5, -2.4, -1.5, 0. D) 0, -3.75, -3.5, -2.5, -2.4, -1.5. Show Answer Correct Answer: C) -3.75, -3.5, -2.5, -2.4, -1.5, 0. 60. Name the number system which uses alphabets as well as numerals A) Decimal. B) Octal. C) Binary. D) Hexadecimal. Show Answer Correct Answer: D) Hexadecimal. ← PreviousNext →Related QuizzesMathematics QuizzesClass 9 QuizzesClass 9 Maths Chapter 1 Number Systems Quiz 1Class 9 Maths Chapter 1 Number Systems Quiz 3Class 9 Maths Chapter 1 Number Systems Quiz 4Class 9 Maths Chapter 1 Number Systems Quiz 5Class 9 Maths Chapter 1 Number Systems Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books