This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Y + 4 = 9 what is y A) 6. B) 10. C) 14. D) 5. Show Answer Correct Answer: D) 5. 2. Which one is an element? A) Co. B) CO. C) CO$_{2}$. D) CO$_{3}$$^{-2}$. Show Answer Correct Answer: A) Co. 3. 4(-8x + 5) =-32x-26 A) 54. B) -54. C) All real numbers. D) No solution. Show Answer Correct Answer: D) No solution. 4. Solve using substitution. y =-2x + 18x = 5 A) (5, 8). B) (-5, 8). C) (2, 8). D) (-2, 8). Show Answer Correct Answer: A) (5, 8). 5. ++1 = Kh A) X=1. B) X=2. C) X=3. D) X=4. Show Answer Correct Answer: B) X=2. 6. Which problem is balanced? A) PbO$_{2}$ + 2H$_{2}$. B) SO$_{2}$ + H$_{2}$0 $\rightarrow$ H$_{2}$SO$_{4}$. C) 2NA + 2H $ _ {2} $ O $\rightarrow$ 2NAOH + H $ _ {2} $. D) None of the above. Show Answer Correct Answer: C) 2NA + 2H $ _ {2} $ O $\rightarrow$ 2NAOH + H $ _ {2} $. 7. $\frac{2}{5}x=10$ A) 50. B) 40. C) 35. D) 25. Show Answer Correct Answer: D) 25. 8. What is the first step to solve the equation 2x + 3 = 11? A) Subtract 3 from both sides to get 2x = 8. B) Add 3 to both sides to get 2x = 14. C) Multiply both sides by 2 to get 4x + 6 = 22. D) Divide both sides by 2 to get x + 1.5 = 5.5. Show Answer Correct Answer: A) Subtract 3 from both sides to get 2x = 8. 9. $\frac{5x-4}{8}-\frac{x-3}{5}=\frac{x+6}{4}$ A) 7. B) $\frac{4}{2}$. C) 8. D) $\frac{5}{3}$. Show Answer Correct Answer: C) 8. 10. Is this equation balanced?:CS$_{2}$ + 20$_{2}$ $\rightarrow$ CO$_{2}$ +2SO$_{2}$ A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 11. X/-4 =-3 A) 12. B) -12. C) 1. D) -1. Show Answer Correct Answer: A) 12. 12. 5 is the solution of the equation 3x + 2 = 17. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. When I subtracted 11 from twice a number, the result was 15. The equation for this statement will be ..... A) 11-X = 15. B) X-11 = 15. C) 15 + X = 11. D) None. Show Answer Correct Answer: B) X-11 = 15. 14. 2-x=10 then x= A) 8. B) -8. C) 5. D) None. Show Answer Correct Answer: B) -8. 15. M-7 + 5m = 11 A) M = 6. B) M =-2. C) M = 4. D) M = 3. Show Answer Correct Answer: D) M = 3. 16. What is the tiniest particle in the entire universe? A) Cells. B) Gases. C) Atoms. D) Liquids. Show Answer Correct Answer: C) Atoms. 17. Solve.x-9 =-5 A) X = 14. B) X = 4. C) X = 13. D) X = 10. Show Answer Correct Answer: B) X = 4. 18. $ ZKS-Yu 2 = Uu 13 $ A) X = 18. B) X = 5. C) X = 2. D) None of the above. Show Answer Correct Answer: B) X = 5. 19. If 5 is added to twice a number, the result is 29. Find the number. A) 24. B) 12. C) -12. D) -24. Show Answer Correct Answer: B) 12. 20. What is the first step, after drawing a line down the middle of the equal sign, to solve the following two-step equation? $3x-2=22$ A) Undo the constant by adding 2 to both sides. B) Undo the coefficient 3 by dividing by 3 on both sides. C) Subtract 22 from both sides. D) None of the above. Show Answer Correct Answer: A) Undo the constant by adding 2 to both sides. 21. Solve for x.3x + 2 = 6x-7 A) X = 9. B) X = 3. C) X =-3. D) X = 7. Show Answer Correct Answer: B) X = 3. 22. $pV=nRT$ A) $R=\frac{pV}{nT}$. B) $R=\frac{p}{n}+\frac{V}{T}$. C) $R=pV-nT$. D) $R=\frac{(pV-n)}{T}$. Show Answer Correct Answer: A) $R=\frac{pV}{nT}$. 23. One-fourth of a number x minus 4 gives 4 A) X/4-4 = 4. B) 3/4-4=4. C) 4/4-4=4. D) 2/4-3=4. Show Answer Correct Answer: A) X/4-4 = 4. 24. ZKS = 18 A) $x=6$. B) X=6 Mathematical EquivalenceOFF. C) All the above. D) None of the above. Show Answer Correct Answer: A) $x=6$. 25. The solution of the equation X + 3 = 0 is A) 3. B) -3. C) 0. D) 1. Show Answer Correct Answer: B) -3. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 4 Simple Equations Quiz 1Class 7 Mathematics Chapter 4 Simple Equations Quiz 2Class 7 Mathematics Chapter 4 Simple Equations Quiz 3Class 7 Mathematics Chapter 4 Simple Equations Quiz 4Class 7 Mathematics Chapter 4 Simple Equations Quiz 5Class 7 Mathematics Chapter 4 Simple Equations Quiz 6Class 7 Mathematics Chapter 4 Simple Equations Quiz 7Class 7 Mathematics Chapter 4 Simple Equations Quiz 8Class 7 Mathematics Chapter 4 Simple Equations Quiz 9Class 7 Mathematics Chapter 4 Simple Equations Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books