This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Linear Equations In One Variable > Class 8 Maths Chapter 2 Linear Equations In One Variable – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 2 Linear Equations In One Variable Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. TRUE or FALSE:An algebraic expression becomes an equation when it is equal to something. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 2. Solve the equation 4n-7 =-23 A) N = 4. B) N =-7.5. C) N = 7.5. D) N =-4. Show Answer Correct Answer: D) N =-4. 3. Ques 9:The shifting of a number from one side of an equation to other is A) Transposition. B) Associativity. C) Commutativity. D) Distributivity. Show Answer Correct Answer: A) Transposition. 4. Which of the following is not a linear equation in one variable? A) Ay+x = 0. B) Ezz+Kh = 0. C) .Reverse+x = 0. D) 33 (x+y) = 0. Show Answer Correct Answer: D) 33 (x+y) = 0. 5. For what value of x, 7x-2 and 4(-x+2)-3 are equal? A) -7/9. B) 7/9. C) 7/11. D) -3/11. Show Answer Correct Answer: C) 7/11. 6. The age of the father is three times the age of the son. If the age of the son is 15 years old, then the age of the father is A) 55 years. B) 40 years. C) 50 years. D) 45 years. Show Answer Correct Answer: D) 45 years. 7. 4 (x + 2)/5 = 7 + (5x/13) A) 15. B) 100. C) 31. D) 13. Show Answer Correct Answer: D) 13. 8. Solve6 (and-4) = 3 (and-8) A) 0. B) 2. C) No solution. D) All real numbers. Show Answer Correct Answer: A) 0. 9. What should be added to-15 to get 15? A) -30. B) 15. C) 30. D) -15. Show Answer Correct Answer: C) 30. 10. Ques 4:The sum of five times of a number and 5 is 30. The number is A) 5. B) 4. C) 4.5. D) 3. Show Answer Correct Answer: A) 5. 11. The length of a rectangle is twice its breadth. If the perimeter is 72 metre, find the length and breadth of the rectangle. A) 100, 56. B) 24, 12. C) 40, 60. D) 12, 20. Show Answer Correct Answer: B) 24, 12. 12. Which of the following is not a linear equation? A) $x+2y=10$. B) $3x-1=-2x$. C) $x^2-3=x$. D) $\frac{x-5}{7}=\frac{x-2}{3}$. Show Answer Correct Answer: C) $x^2-3=x$. 13. What is the value of x in the equation 4x + 2 = 18? A) 10. B) 4. C) 2. D) 6. Show Answer Correct Answer: B) 4. 14. If 3y-2/3y+2=-6, then what is the value of 3y/7? A) 2/7. B) 10/21. C) -10/49. D) -3/35. Show Answer Correct Answer: C) -10/49. 15. Which is the correct translation of the equation 3x + 10 = 55? A) A number raised to 3 plus 10 is 55. B) Ten more than thrice a number is 55. C) Three times a number added to 10 is 55. D) Thrice x more than 10 is 55. Show Answer Correct Answer: B) Ten more than thrice a number is 55. 16. Complete the statement:A sentence which states that two expressions are equal is called an ..... A) Equation. B) Expression. C) Inequality. D) Similarity. Show Answer Correct Answer: A) Equation. 17. When a number is added to itself, it becomes 24. What is the number? A) 21. B) 2. C) 12. D) 4. Show Answer Correct Answer: C) 12. 18. Solve (x-5)/2-1/2=(x-3)/5 A) X=4. B) X=-4. C) X=6. D) X=8. Show Answer Correct Answer: D) X=8. 19. (3/7)+x = 17/7Then x is A) 20/7. B) 14/7. C) 2. D) Both 2 and 3. Show Answer Correct Answer: D) Both 2 and 3. 20. The sum of three consecutive multiples of 8 is 888. Find one the multiple. A) 320. B) 288,. C) 280. D) 312. Show Answer Correct Answer: B) 288,. 21. (x + 1)(2x + 1) = (x + 3)(2x + 3)-14 A) 3. B) 1. C) No Solution. D) 0.001. Show Answer Correct Answer: B) 1. 22. The degree of x$^{2}$-5x + 2 = x$^{3}$ is: A) 2. B) 3. C) 1. D) 0. Show Answer Correct Answer: B) 3. 23. Solve the linear equation.5z + 2 = 6 A) Z = 8. B) Z = 5 / 4. C) Z = 4 / 5. D) Z =-8. Show Answer Correct Answer: C) Z = 4 / 5. 24. Solve. x-1.7 =-7.6 A) -9.3. B) 5.9. C) 9.3. D) -5.9. Show Answer Correct Answer: D) -5.9. 25. If 7x + 3 = 24, what is the value of 5-4x? A) 1. B) -7. C) -23. D) 17. Show Answer Correct Answer: B) -7. 26. The value of x in 4x-7=17 is A) 5. B) 6. C) 0.6. D) 6.6. Show Answer Correct Answer: B) 6. 27. Solve for x. $3x-2-x=18$ A) $x=4$. B) $x=8$. C) $x=10$. D) $x=5$. Show Answer Correct Answer: C) $x=10$. 28. If x/3 + 5 = 10, what is x? A) 15. B) 5. C) 30. D) 20. Show Answer Correct Answer: A) 15. 29. TRUE or FALSE:The solution of a Linear equation is always an integer A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 30. If 8x-3=25+17x, then x is A) A fraction. B) Can not be determined. C) An integer. D) A rational number. Show Answer Correct Answer: D) A rational number. 31. Arun's present age is thrice that of Tarun.4 years ago if tarun's age was x, what will be the age of Arun after 2 yr? A) ZKS+18. B) ZKS+14. C) +12. D) X+z. Show Answer Correct Answer: B) ZKS+14. 32. Rishi is twice as old as Vani. 10 years ago his age was thrice of Vani. Find their present ages. A) 100, 200. B) 30, 60. C) 20, 40. D) 10, 30. Show Answer Correct Answer: C) 20, 40. 33. If 6x + 3 = 21, what is the value of x? A) 2. B) 5. C) 4. D) 3. Show Answer Correct Answer: D) 3. 34. Write 'True' or 'False'An algebraic statement becomes an equation when it equals something A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 35. Solve 2y-5=-3y+15 A) Y=-4. B) Y=-5. C) Y=4. D) Y=5. Show Answer Correct Answer: C) Y=4. 36. Solve.-5x + 1.5 =-19.5 A) 4.2. B) -4.2. C) -3.6. D) 3.6. Show Answer Correct Answer: A) 4.2. 37. The solution of 2x-3=7 is: A) 5. B) 7. C) 12. D) 11. Show Answer Correct Answer: A) 5. 38. Ques 2:The root of the equation $\frac{4}{6}+\frac{3}{9}y=\frac{7}{3}y$ A) $\frac{2}{9}$. B) $\frac{1}{3}$. C) $\frac{2}{3}$. D) $\frac{7}{9}$. Show Answer Correct Answer: B) $\frac{1}{3}$. 39. Solve for x:3(x-4) = 12. A) 8. B) 10. C) 4. D) 12. Show Answer Correct Answer: A) 8. 40. A linear equation has how many solutions? A) 0. B) 2. C) 1. D) More than 2. Show Answer Correct Answer: C) 1. 41. Solve x-2/3+1/3x=-2/3x-21+2x A) 61/4. B) 15. C) No solution. D) -21/4. Show Answer Correct Answer: C) No solution. 42. Two-third of a number is 20 less than the original number.Find the original number? A) 75. B) 60. C) 80. D) 100. Show Answer Correct Answer: B) 60. 43. The value of x for which 3x-1and 2x+4are equal is A) 1. B) -3. C) 3. D) 5. Show Answer Correct Answer: D) 5. 44. In the method of transposition, A) Sign of term changes. B) Variable of a term changes. C) Value of term changes. D) Nothing happens. Show Answer Correct Answer: A) Sign of term changes. 45. What is the solution to the equation x/4-2 = 0? A) 6. B) 8. C) 4. D) 10. Show Answer Correct Answer: B) 8. 46. If 6(y-4) = 3(y-8), then the value of x is A) 3. B) 4. C) 0. D) 2. Show Answer Correct Answer: C) 0. 47. Which of the following equation has x= 2 as it's solution? A) YAH+H = 17. B) 51-TSC = s. C) Ss = 21. D) 8x+2 = 18. Show Answer Correct Answer: D) 8x+2 = 18. 48. If 9 is added to a number, it becomes 25. This statement in the form of an equation is A) X/9 = 25. B) YAH = 25. C) X + 9 = 25. D) X-9 = 25. Show Answer Correct Answer: C) X + 9 = 25. 49. Solve:19 + a =-50 A) A =-69. B) A =-50/19. C) A =-950. D) A =-31. Show Answer Correct Answer: A) A =-69. 50. The denominator of a fraction is greater than the numerator by 8. If the numerator is increased by 17 and denominator is decreased by 1, the number obtained is 3/2. Find the fraction. A) 12/20. B) 11/19. C) 14/22. D) 13/21. Show Answer Correct Answer: D) 13/21. 51. What is the value of x in-4x=2/5(-x+10) A) -10/9. B) -9/10. C) 9/10. D) 10/9. Show Answer Correct Answer: A) -10/9. 52. 6x = 12Then x is A) -2. B) 2. C) 12. D) 6. Show Answer Correct Answer: B) 2. 53. Solve the equation:7x = 21 A) X = 3. B) X = 147. C) X = 28. D) X = 14. Show Answer Correct Answer: A) X = 3. 54. = (y/1.5)Then y is A) 2.4. B) 4.8. C) 3.6. D) 1.5. Show Answer Correct Answer: A) 2.4. 55. An expression becomes a linear equation by A) Multiplying it with certain number. B) Equating to zero. C) Adding some number and variable. D) All of the above. Show Answer Correct Answer: B) Equating to zero. 56. 4X=3X+5 so what is X? A) 6. B) 5. C) 9. D) 7. Show Answer Correct Answer: B) 5. 57. Ques1. The solution of the equation $2x+3=5$ A) 3. B) 2. C) 5. D) 1. Show Answer Correct Answer: D) 1. 58. Kh (Na) = 10 (on+P) A) 25. B) 2.5. C) 4. D) -4. Show Answer Correct Answer: D) -4. 59. Solve the linear equation.-12y = 108 A) Y = 120. B) Y =-9. C) Y = 9. D) Y =-120. Show Answer Correct Answer: B) Y =-9. 60. Ques3:Three consecutive odd integers with sum 177 are A) 87, 89 and 91. B) 57, 59 and 61. C) 63, 65 and 73. D) 59, 60 and 61. Show Answer Correct Answer: B) 57, 59 and 61. 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