This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 2 Linear Equations In One Variable ā Quiz 5 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 2 Linear Equations In One Variable Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Solve 15(z-4)-2(z-9)+5(z+6)=0 A) Z=1/3. B) Z=2/3. C) Z=-1/3. D) Z=-2/3. Show Answer Correct Answer: B) Z=2/3. 2. Solve for the value of y:y-(-3) = 9 A) Y = 12. B) Y = 6. C) Y = 3. D) Y = 9. Show Answer Correct Answer: B) Y = 6. 3. The sum of two numbers is 25. One of the numbers exceeds the other by 9. Find the numbers. A) 4, 19. B) 8, 12. C) 8, 17. D) 10, 23. Show Answer Correct Answer: C) 8, 17. 4. 'A' is twice as old as 'B'. Five years ago, 'A' was 3 times as old as 'B'. Find their present ages. A) 10, 20. B) 11, 22. C) 5, 10. D) 6, 18. Show Answer Correct Answer: A) 10, 20. 5. The difference between two whole numbers is 66.The ratio of two numbers is 2:5.What is the sum of two numbers? A) 154. B) 144. C) 164. D) 146. Show Answer Correct Answer: A) 154. 6. The solution for 3m = 5m-(8/5) is A) 8/5. B) 4/5. C) 5/4. D) 4/3. Show Answer Correct Answer: B) 4/5. 7. Solve:14x = 40 + 9x A) 4. B) 8. C) 35. D) 45. Show Answer Correct Answer: B) 8. 8. ZKS-5 =-26 A) X=-21. B) X=21. C) X=-7. D) X=61. Show Answer Correct Answer: C) X=-7. 9. Solve for k:3k + 5 = 23 A) K = 4. B) K = 5. C) K = 6. D) K = 7. Show Answer Correct Answer: C) K = 6. 10. If x is an even number, then the next even number is: A) X+1. B) X+2. C) X+3. D) X+4. Show Answer Correct Answer: B) X+2. 11. The degree of equation x$^{2}$-9 = 2x$^{2}$ is A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: C) 2. 12. The sum of two numbers is 45 and their ratio is 7:8. Find the two numbers. A) 22, 23. B) 21, 24. C) 20, 25. D) 30, 15. Show Answer Correct Answer: B) 21, 24. 13. The difference between the two numbers is 30. If the bigger number is x, then what is the smaller number A) X-30. B) 30-x. C) 30x. D) None of these. Show Answer Correct Answer: A) X-30. 14. Three consecutive integers add up to 51. The integers are: A) 16, 17, 18. B) 15, 16, 17. C) 17, 18, 19. D) 18, 19, 20. Show Answer Correct Answer: A) 16, 17, 18. 15. Ques 10:A linear equation in one variable has A) Only one solution. B) Two solutions. C) More than two solutions. D) No solution. Show Answer Correct Answer: A) Only one solution. 16. Ques 6:The degree of a linear equation in one variable is ..... A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: A) One. 17. Simplify:16 = $\frac{k}{11}$ A) K = 152. B) K = 176. C) K = 5. D) K = $\frac{11}{16}$. Show Answer Correct Answer: B) K = 176. 18. Solve 5x/2x-2=2 A) X=4. B) X=2. C) X=-2. D) X=-4. Show Answer Correct Answer: D) X=-4. 19. What is the first step to solve the equation 2(x + 1) = 10? A) Add 1 to both sides. B) Multiply both sides by 2. C) Subtract 1 from both sides. D) Distribute the 2. Show Answer Correct Answer: D) Distribute the 2. 20. If 2x-1/2 = 3, then the value of x is A) -3/4. B) 3/4. C) -7/4. D) 7/4. Show Answer Correct Answer: D) 7/4. 21. If y-3 = 10 then the value of y is A) Y = 13. B) Y = 7. C) Y = 6. D) None of the above. Show Answer Correct Answer: A) Y = 13. 22. 2x + 3 = 6-(2x-3). Find x A) 2. B) 3.5. C) 1.5. D) 0.5. Show Answer Correct Answer: C) 1.5. 23. The breadth of a rectangular garden is $\frac{2}{3}$ A) Length=12, breadth =9. B) Length=12, breadth =8. C) Length=10, breadth =8. D) Length=9, breadth =8. Show Answer Correct Answer: B) Length=12, breadth =8. 24. The denominator of a fraction is greater than the numerator by 8. If the numerator is increased by 17 and the denominator is increased by one, the number obtained is $\frac{3}{2}$ A) $\frac{11}{19}$. B) $\frac{12}{20}$. C) $\frac{14}{22}$. D) $\frac{7}{15}$. Show Answer Correct Answer: D) $\frac{7}{15}$. 25. A is twice old as B. Five years ago A was 3 times as old as B. Find their present ages. A) 10, 20. B) 11, 22. C) 12, 24. D) 9, 18. 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