This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. You spend $ 30.40 on 4 CD's. Each CD cost the same amount and is on sale for 80% of the original price. Use the equation you just came up with to figure out how much each CD cost at the regular price. A) Each CD costs $ 9.50 at the regular price. B) Each CD costs $ 7.60 at the regular price. C) Each CD costs $ 7.60 at the discounted price. D) Each CD costs $ 1.52 at the discounted price. E) Each CD cost $ 8.65 at the regular price. Show Answer Correct Answer: A) Each CD costs $ 9.50 at the regular price. 2. $\frac{x}{-5}=-2$ A) $x=-10$. B) $x=7$. C) $x=10$. D) $x=20$. Show Answer Correct Answer: C) $x=10$. 3. What is the process of solving a linear equation? A) Isolating the variable using inverse operations. B) Graphing the equation on a coordinate plane. C) Finding the slope of the line. D) Substituting values into the equation. Show Answer Correct Answer: A) Isolating the variable using inverse operations. 4. Simplify the expression:$\frac{2}{3-4b}-\frac{3}{4-5b}$ A) $\frac{2b+1}{\left(3-4b\right)\left(4-5b\right)}$. B) $\frac{2b-1}{\left(3-4b\right)\left(4-5b\right)}$. C) $\frac{-2b+1}{\left(3-4b\right)\left(4-5b\right)}$. D) $\frac{-2b-1}{\left(3-4b\right)\left(4-5b\right)}$. Show Answer Correct Answer: B) $\frac{2b-1}{\left(3-4b\right)\left(4-5b\right)}$. 5. Check whether the value given in the brackets is a solution to the given equation or not:n + 5 = 19 (n = 1) A) It is a solution. B) It is not a solution. C) All the above. D) None of the above. Show Answer Correct Answer: B) It is not a solution. 6. Balance this equation- ..... P$_{4 }$+ ..... O$_{2 }$$\rightarrow$ ..... P$_{2}$O$_{3}$ A) It is already balanced. B) 2, 1, 3. C) 1, 2, 3. D) 1, 3, 2. Show Answer Correct Answer: D) 1, 3, 2. 7. Solve.7x = 56 A) X = 8. B) X = 9. C) X = 10. D) X = 11. Show Answer Correct Answer: A) X = 8. 8. 5(x-2) = 1o A) 4. B) 7. C) All the above. D) None of the above. Show Answer Correct Answer: A) 4. 9. Please solve this equation$^{c}$/$_{9}$ = 8 A) C = 1. B) C = 17. C) C = $^{8}$/$_{9}$. D) None of these match my answer. Show Answer Correct Answer: D) None of these match my answer. 10. 3 |-8X |+ 8 = 80 A) \{-7/3, 7/3\}. B) \{-3, 3\}. C) \{11/3, -11/3\}. D) No Solution. Show Answer Correct Answer: B) \{-3, 3\}. 11. Which value of x satisfies the equation:x/3 = 5 A) 15. B) 9. C) 12. D) 18. Show Answer Correct Answer: A) 15. 12. Use the inverse operation to solve the equationn + 5 = 21 A) N = 16. B) N = 21. C) N = 26. D) None of the above. Show Answer Correct Answer: A) N = 16. 13. What is the opposite function to addition? A) Multiplication. B) Subtraction. C) Substitution. D) Division. Show Answer Correct Answer: B) Subtraction. 14. M-3/18 = 11/18 (a) A) 4/9. B) A. 7/9. C) 8/18. D) 14/18. Show Answer Correct Answer: B) A. 7/9. 15. Solve:$\frac{p}{5}=3$ A) $p=\frac{3}{5}$. B) $p=15$. C) $p=-\frac{3}{5}$. D) $p=8$. Show Answer Correct Answer: B) $p=15$. 16. Solve the following equation for x:10x-3 = 3x + 32 A) X = 3. B) X = 4. C) X = 5. D) No solution. Show Answer Correct Answer: C) X = 5. 17. ZKS+H = 0 A) -3. B) 1. C) -1. D) 3. Show Answer Correct Answer: C) -1. 18. Write in statement:5k = 20 A) 5 added to k is 20. B) 5 divided to k is 20. C) 5 times of k is 20. D) None of the above. Show Answer Correct Answer: C) 5 times of k is 20. 19. An axle is 4 meters and the wheel is 8 meters. What is the mechanical advantage? A) 2. B) 32. C) .5. D) None of the above. Show Answer Correct Answer: A) 2. 20. X/5=30 FIND X A) 25. B) 35. C) 1/6. D) 6. Show Answer Correct Answer: D) 6. 21. Who is widely known to be the "Father of Mathematics" ? A) Archimedes. B) Aryabhata. C) Fibonacci. D) Abacus. Show Answer Correct Answer: A) Archimedes. 22. What + ..... h $ _ {2} $ $\rightarrow$ ch $ _ {4} $ + h $ _ {2} $ o A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 23. $ lo = 35 $ A) $x=28$. B) $x=5$. C) $x=-5$. D) $x=42$. Show Answer Correct Answer: B) $x=5$. 24. What element is used in swimming pools and what is it's symbol? A) Water, H2O. B) Chlorine, Cl. C) Oxygen, O. D) Chlorine, Ch. Show Answer Correct Answer: B) Chlorine, Cl. 25. $3x+\frac{1}{5}=2-x$ A) $\frac{7}{20}$. B) $\frac{4}{50}$. C) $\frac{9}{20}$. D) $\frac{66}{32}$. Show Answer Correct Answer: C) $\frac{9}{20}$. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 4 Simple Equations Quiz 1Class 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 10Class 7 Mathematics Chapter 4 Simple Equations Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books