This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. T-24 = 89 A) T = 65. B) T = 93. C) T = 113. D) T = 128. Show Answer Correct Answer: C) T = 113. 2. 5m = 10 solve for m A) 50. B) 15. C) 5. D) 2. Show Answer Correct Answer: D) 2. 3. R-8 = 12, R =? A) 19. B) 20. C) 21. D) 22. Show Answer Correct Answer: B) 20. 4. $\frac{2}{3}\left(x-5\right)-\frac{1}{4}\left(x-2\right)=\frac{9}{2}$ A) 67. B) 88. C) 73. D) 43. Show Answer Correct Answer: B) 88. 5. 3 x 5 = A) 15. B) 20. C) 16. D) 12. Show Answer Correct Answer: A) 15. 6. Solve the following equation for x:10x + 2x + 5 = 8x + 4x + 7 A) No solution. B) Infinite solutions. C) X = 12. D) X = 0. Show Answer Correct Answer: A) No solution. 7. In the equation, 2Mg + O$_{2}$ $\rightarrow$ 2MgO, which are the reactants? A) Mg and O. B) MgO. C) Mg and MgO. D) O and MgO. Show Answer Correct Answer: A) Mg and O. 8. If x + 8 = 15 find x A) 22. B) 7. C) 12. D) 9. Show Answer Correct Answer: B) 7. 9. Name the property of equality being used in the first step:x/9 = 5x = 45 A) Addition Property of Equality. B) Multiplication Property of Equality. C) Subtraction Property of Equality. D) Division Property of Equality. Show Answer Correct Answer: B) Multiplication Property of Equality. 10. -5 + x = 17 A) 23. B) 12. C) -85. D) 85. Show Answer Correct Answer: A) 23. 11. You spend $ 30.40 on 4 CD's. Each CD cost the same amount and is on sale for 80% of the original price. Which equation would help find the original price of each CD? (let $x\rightarrow$ A) $.8\left(4x\right)=30.40$. B) $\frac{4x}{80}=30.40$. C) $.8\left(\frac{1}{20}x\right)=30.40$. D) $80\left(\frac{x}{4}\right)=30.40$. E) $.8\left(30.40\right)=4x$. Show Answer Correct Answer: A) $.8\left(4x\right)=30.40$. 12. X + 4 = 14 A) 4. B) 14. C) -4. D) 10. Show Answer Correct Answer: D) 10. 13. 9 increased by x A) 9-x. B) Yam. C) 9 + x. D) None of the above. Show Answer Correct Answer: C) 9 + x. 14. Pure substances that are composed of two or more atoms that are chemically combined are called: A) Elements. B) Compounds. C) Subscripts. D) None of the above. Show Answer Correct Answer: B) Compounds. 15. Solve the problem:Al + S $\rightarrow$ Al2S3 A) Al + 2S $\rightarrow$ 2Al2S3. B) Al + Ezz $\rightarrow$ Al Qazi. C) All the above. D) None of the above. Show Answer Correct Answer: B) Al + Ezz $\rightarrow$ Al Qazi. 16. What is the solution to the equation 5x-10 = 0? A) X = 1. B) X = 2. C) X = 3. D) X = 4. Show Answer Correct Answer: B) X = 2. 17. Medicine + 10-Heb = 37 A) P = 9. B) P =-5. C) P = 7. D) P = 8. Show Answer Correct Answer: A) P = 9. 18. -5)-7x=25 A) X= 5. B) X= 6. C) X=-5. D) X=-6. Show Answer Correct Answer: A) X= 5. 19. Solve:3x + 15 = 3(x + 5) A) No Solution. B) X = 15. C) Infinitely Many Solutions. D) None of the above. Show Answer Correct Answer: C) Infinitely Many Solutions. 20. The sum of three times x and 10 is 13 A) ZKS+10 = 13. B) 3x-10=13. C) ZKS+13 = 10. D) None of these. Show Answer Correct Answer: A) ZKS+10 = 13. 21. In the expression 3m + 8, the number 3 is called the ..... A) Variable. B) Constant. C) Coefficient. D) Answer. Show Answer Correct Answer: C) Coefficient. 22. X/2= 7 find x A) 15. B) 18. C) 12. D) 14. Show Answer Correct Answer: D) 14. 23. Which of the following are basic rules used for solving algebraic equations? A) Always start on the left side, regardless of where the variable is. B) Negative signs can be ignored. C) Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign. D) All options are correct. Show Answer Correct Answer: C) Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign. 24. Product of fractions 2 /7 and 5 /9 is A) $\frac{2\times5}{7+9}$. B) $\frac{2+5}{2+9}$. C) $\frac{2\times9}{5\times7}$. D) $\frac{2\times5}{7\times9}$. Show Answer Correct Answer: D) $\frac{2\times5}{7\times9}$. 25. $ shi = 42 $ A) -7. B) 8. C) 0. D) 7. Show Answer Correct Answer: D) 7. ← 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