This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Maths Chapter 1 Number Systems – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 1 Number Systems Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Every Rational number is an Integer A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. What is the sum of 1/2 and 3/8? A) 3/4. B) 7/8. C) 5/8. D) 1/4. Show Answer Correct Answer: B) 7/8. 3. The product of a rational and an irrational number is: A) Always rational. B) Always irrational. C) Rational or irrational. D) None. Show Answer Correct Answer: C) Rational or irrational. 4. Determine the decimal equivalent of the signed binary number 11110100 in 1's complement. A) 116. B) -12. C) 11. D) 128. Show Answer Correct Answer: C) 11. 5. 2's complement of 11001011 is ..... A) 01010111. B) 11010100. C) 00110101. D) 11100010. Show Answer Correct Answer: C) 00110101. 6. Is the sum of $3\sqrt{2}$ $4\sqrt{2}$ A) Rational because the sum can be expressed as a fraction. B) Rational because the sum cannot be expressed as a fraction. C) Irrational because the sum can be expressed as a fraction. D) Irrational because the sum cannot be expressed as a fraction. Show Answer Correct Answer: D) Irrational because the sum cannot be expressed as a fraction. 7. Given:L= $\sqrt{2}$ $3\sqrt{3}$ $\sqrt{16}$ $\sqrt{9}$ A) $L+M$. B) $M\times N$. C) $N\times P$. D) $P+L$. Show Answer Correct Answer: C) $N\times P$. 8. 5 x (7 + 9) = (5 x 7) + (5 x 9) A) Distributive Property. B) Associative Property. C) Commutative Property. D) Multiplying Property. Show Answer Correct Answer: A) Distributive Property. 9. When converting binary to hexadecimal, in how many digits should the binary number be separated by? A) Two (2). B) Four (4). C) Six (6). D) Eight (8). Show Answer Correct Answer: B) Four (4). 10. $\frac{2}{\sqrt{3}}$ A) $\frac{2}{3}$. B) $\frac{\sqrt{3}}{3}$. C) $\frac{2\sqrt{3}}{3}$. D) $\frac{2}{9}$. Show Answer Correct Answer: C) $\frac{2\sqrt{3}}{3}$. 11. How should you read a binary number? A) From left to right. B) From top to bottom. C) From right to left. D) From bottom to top. Show Answer Correct Answer: C) From right to left. 12. Write as integer:Allyson owes $ 65 A) 65. B) -65. C) All the above. D) None of the above. Show Answer Correct Answer: B) -65. 13. Shana bought a hamburger for $ 4.25, two hot dogs for $ 2.50 each, a large order of fries for $ 2.95, and one medium soda for $ 2.15. If Shana paid with a $ 20.00 bill, how much change did she receive? A) $ 5.65. B) $ 8.15. C) $ 11.85. D) $ 14.35. Show Answer Correct Answer: A) $ 5.65. 14. How could this number be identified? (Select ALL the correct options)-4.5 A) Rational number. B) Integer. C) Whole number. D) Natural number. Show Answer Correct Answer: A) Rational number. 15. What type of number is 3.5555555 ..... A) Rational number. B) Irrational number. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rational number. 16. $\frac{3x^0-2}{x^0+1}$ A) 1. B) 2. C) 3. D) $\frac{1}{2}$. Show Answer Correct Answer: D) $\frac{1}{2}$. 17. 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. 18. Which of the following is an invalid BCD code? A) 0011. B) 1101. C) 0101. D) 1001. Show Answer Correct Answer: B) 1101. 19. 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. 20. 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) $ 27.12. B) $ 58.88. C) $ 58. D) $ 588.80. Show Answer Correct Answer: A) $ 27.12. 21. $3\frac{1}{3}$ A) Irrational. B) Rational. C) Integer. D) Whole. Show Answer Correct Answer: B) Rational. 22. Every rational number is also a A) Real number. B) Integer. C) Natural number. D) Whole number. Show Answer Correct Answer: A) Real number. 23. The binary number which comes after 101 is A) 100. B) 110. C) 111. D) 1100. Show Answer Correct Answer: B) 110. 24. Which has the same absolute value as-55? A) 0. B) -1. C) 1. D) 55. Show Answer Correct Answer: D) 55. 25. Marvin had 2 spools of thread. Each spool contained $10\\frac{1}{2}$ A) 8 yds. B) 13 yds. C) 20.5 yds. D) 2.5 yds. Show Answer Correct Answer: B) 13 yds. ← PreviousNext →Related QuizzesClass 9 Maths Chapter 1 Number Systems Quiz 1Class 9 Maths Chapter 1 Number Systems Quiz 2Class 9 Maths Chapter 1 Number Systems Quiz 4Class 9 Maths Chapter 1 Number Systems Quiz 5Class 9 Maths Chapter 1 Number Systems Quiz 6Class 9 Maths Chapter 1 Number Systems Quiz 7Class 9 Maths Chapter 1 Number Systems Quiz 8Class 9 Maths Chapter 1 Number Systems Quiz 9Class 9 Maths Chapter 1 Number Systems Quiz 10Class 9 Maths Chapter 1 Number Systems Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books