This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Maths Chapter 1 Number Systems – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 1 Number Systems Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is typically the longest:bit, byte, nibble, word? A) Bit. B) Byte. C) Nibble. D) Word. Show Answer Correct Answer: D) Word. 2. What is the definition of integers? A) Numbers you count on your fingers and toes. B) Natural numbers and zero. C) Whole numbers and their opposites. D) Terminating or repeating decimals. Show Answer Correct Answer: C) Whole numbers and their opposites. 3. Which one is the largest? A) 3/8. B) 1/2. C) 3/4. D) 5/6. Show Answer Correct Answer: D) 5/6. 4. What is the reciprocal of $^{3}$/$_{4}$? A) $^{4}$/$_{3}$. B) $^{3}$/$_{4}$. C) $^{1}$/$_{4}$ lb. D) None of the above. Show Answer Correct Answer: A) $^{4}$/$_{3}$. 5. At the beginning of the week, the temperature was 14 degrees Fahrenheit. During the week, it decreased by 25 degrees Fahrenheit. What was the temperature by the end of the week? A) 39 degrees F. B) 11 degrees F. C) -11 degrees F. D) -39 degrees F. Show Answer Correct Answer: C) -11 degrees F. 6. Computers only understand machine language, which uses which number system? A) Binary. B) Decimal. C) Hexadecimal. D) Octal. Show Answer Correct Answer: A) Binary. 7. Lincoln Vitamin Shop sold equal quantities of Vitamin A and Vitamin D supplements this morning, even though the Vitamin A supplements come in packs of 4 and the Vitamin D supplements in packs of 15. What is the smallest number of each type that the store could have sold? A) 15. B) 45. C) 60. D) 30. Show Answer Correct Answer: C) 60. 8. The product of two irrational number is always ..... A) An irrational number. B) A rational number. C) Sometimes rational, sometimes irrational. D) An integer. Show Answer Correct Answer: C) Sometimes rational, sometimes irrational. 9. -1.032 A) Irrational. B) Rational. C) Integer. D) Whole. Show Answer Correct Answer: B) Rational. 10. What is the difference between binary coding and binary-coded decimal?. A) BCD is pure binary. B) Binary coding has a decimal format. C) BCD has no decimal format. D) Binary coding is pure binary. Show Answer Correct Answer: D) Binary coding is pure binary. 11. The decimal expansion of a rational number is either: A) Terminating. B) Non-terminating recurring. C) Both A and B. D) None. Show Answer Correct Answer: C) Both A and B. 12. What is 3/10 $\div$ A) 12/20. B) 3/5. C) 6/40. D) 3/20. Show Answer Correct Answer: B) 3/5. 13. $Solve:\\sqrt{\alpha^2}\times\sqrt{\alpha^2}$ A) $2\alpha$. B) $\alpha$. C) $\sqrt{\alpha^2}$. D) $\alpha^2$. Show Answer Correct Answer: D) $\alpha^2$. 14. GOKUL is trying to determine if a number he found is divisible by 4. What is the divisibility rule for 4? A) A number is divisible by 4 if its last two digits form a number that is divisible by 4. B) A number is divisible by 4 if it is even. C) A number is divisible by 4 if the sum of its digits is divisible by 4. D) A number is divisible by 4 if its last digit is 0. Show Answer Correct Answer: A) A number is divisible by 4 if its last two digits form a number that is divisible by 4. 15. If David is 15 years old now, how old will he be in 10 years? A) 20. B) 25. C) 30. D) 15. Show Answer Correct Answer: B) 25. 16. The Gray code for decimal 7 is A) 0111. B) 1011. C) 0100. D) 0101. Show Answer Correct Answer: C) 0100. 17. To which category does the number-3 belong? A) Whole # Only. B) Integer Only. C) Rational # Only. D) Integer & Rational. Show Answer Correct Answer: D) Integer & Rational. 18. Ms. Sublett's math class is putting three numbers (0.3, 1/4, and 20%) in order from least to greatest. Which answer is correct? A) 1/4, 20%, 0.3. B) 0.3, 20%, 1/4. C) 20%, 1/4, 0.3. D) 0.3, 1/4, 20%. Show Answer Correct Answer: C) 20%, 1/4, 0.3. 19. Jane has 18 juice boxes, 24 bags of peanuts and 36 apples. She wants to make snack bags with the same number of each thing in each bag. What is the greatest number of snack bags Jane can make. A) 4. B) 6. C) 8. D) 10. Show Answer Correct Answer: B) 6. 20. Name the number system that best describes the situation.Number of eggs a chicken lays. A) Natural Numbers. B) Whole Numbers. C) Integers. D) Irrational Numbers. E) Rational Numbers. Show Answer Correct Answer: B) Whole Numbers. 21. Which list is ordered from least to greatest? A) 10.076, 10.176, 10.76, 11.074. B) 10.76, 10.076, 11.074, 10.176. C) 11.074, 10.76, 10.176, 10.076. D) 10.076, 10.76, 10.176, 11.074. Show Answer Correct Answer: A) 10.076, 10.176, 10.76, 11.074. 22. Complete the sequence: ..... , 32, 16, 8, 4, 2, 1 A) 56. B) 48. C) 40. D) 64. Show Answer Correct Answer: D) 64. 23. A store sells self-serve frozen yogurt sundaes. The function C(w) represents the cost, in dollars, of a sundae weighting w ounces. An appropriate domain for the function would be A) Integers. B) Rational numbers. C) Nonnegative integers. D) Nonnegative rational numbers. Show Answer Correct Answer: D) Nonnegative rational numbers. 24. Convert decimal 31 to hexadecimal A) 1E. B) 1F. C) EF. D) FE. Show Answer Correct Answer: B) 1F. 25. In the double dabble method of decimal to binary conversion the result is obtained from A) Quotient. B) Dividend. C) Remainder. D) Divisor. Show Answer Correct Answer: C) Remainder. ← 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 3Class 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books