This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $-zhu = Yu-21 $ A) -18. B) -7. C) 7. D) 24. Show Answer Correct Answer: C) 7. 2. What whole number should replace the variable to make the equation 18-c = 12 true? A) 30. B) -30. C) 6. D) -6. Show Answer Correct Answer: C) 6. 3. Elevators lift loads by employing a motor and a complex system of pulleys. If the elevator converts all the energy used to work (no heat or friction is generated), how many Joules would be required to lift a 2, 500 N load 15 m? This is about five floors in a typical building. A) 1637 J. B) 3827 J. C) 37500 J. D) 167 J. Show Answer Correct Answer: C) 37500 J. 4. (SW-1) =-Sh A) V=-5. B) V=-2. C) V= 8. D) V= 3. Show Answer Correct Answer: D) V= 3. 5. Solve the equation:$12y+6=6\left(2y+1\right)$ A) Infinitely Many Solutions. B) No Solutions. C) $y=2$. D) $y=\frac{1}{2}$. Show Answer Correct Answer: A) Infinitely Many Solutions. 6. How do you check if your solution to an equation is correct? A) Substitute the solution back into the original equation to see if both sides are equal. B) Multiply both sides of the equation by the same number. C) Add the same value to both sides of the equation. D) Graph the equation and see if the solution lies on the line. Show Answer Correct Answer: A) Substitute the solution back into the original equation to see if both sides are equal. 7. N-13 =-27 A) N = 40. B) N =-40. C) N =-14. D) N = 14. Show Answer Correct Answer: C) N =-14. 8. Please solve this equationm-3 = 4 A) M = 7. B) M = 1. C) M = 13. D) None of these match my answer. Show Answer Correct Answer: A) M = 7. 9. ( x-5 ) = 9/2 A) 8. B) 2. C) All the above. D) None of the above. Show Answer Correct Answer: A) 8. 10. This is the element that we need to breathe:The wrong answers still list the symbol correctly for the element listed So look! A) Oxygen, O. B) Carbon Dioxide, CO2. C) Helium, He. D) Phosphorus, P. Show Answer Correct Answer: A) Oxygen, O. 11. 4x + 7 = 23 A) X = 16. B) X = 4. C) X = 9. D) X = 12. Show Answer Correct Answer: B) X = 4. 12. What is a product? A) What's left of the chemical reaction. B) The beginning formulas. C) All the above. D) None of the above. Show Answer Correct Answer: A) What's left of the chemical reaction. 13. In the 2012 Olympics, Usain Bolt won the 200-meter dash with a time of 19.32 seconds. Write and solve an equation to find his average speed to the nearest hundredth of a meter per second.Solve the Problem:Now that we have an equation, what Property of Equality should we use to solve it? $200=r\cdot19.32$ A) Addition Property of Equality. B) Subtraction Property of Equality. C) Multiplication Property of Equality. D) Division Property of Equality. Show Answer Correct Answer: D) Division Property of Equality. 14. The solution of the equation 4n-3 = 9 is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 15. 4 = 2(x + 3) A) 1/2. B) 7/2. C) -1. D) 5. Show Answer Correct Answer: C) -1. 16. The solution of the equation 7+3(x+5)=31 is A) 4. B) 3. C) 0. D) 2. Show Answer Correct Answer: B) 3. 17. $\frac{x-3}{2}=7$ A) 5. B) 11. C) 14. D) 17. Show Answer Correct Answer: D) 17. 18. X-5.5 = 10.5 A) X = 15. B) X = 14. C) X = 16. D) X = 15.5. Show Answer Correct Answer: C) X = 16. 19. Each of the 2 equal sides of an isosceles triangle is twice as large as the third side. If the perimeter of the triangle is 30 cm, find the length of each side of the triangle. A) 5, 5, 10 cm. B) 6, 12, 12, cm. C) 7, 14, 14 cm. D) 6, 6, 12 cm. Show Answer Correct Answer: B) 6, 12, 12, cm. 20. 4 (1-2x) =-12 A) X=-1. B) X=1. C) X=-2. D) X=2. Show Answer Correct Answer: D) X=2. 21. Write the following statement in the form of an equation:The sum of three times x and 10 is 13. A) ZKS + 10 = 13. B) ZKS-10 = 13. C) ZKS + 13 = 10. D) None of these. Show Answer Correct Answer: A) ZKS + 10 = 13. 22. Solve the equation:2z-5 = 11 A) Z = 8. B) Z = 3. C) Z = 10. D) Z = 6. Show Answer Correct Answer: A) Z = 8. 23. C$_{2}$H$_{4}$+H$_{2}$=C$_{2}$H$_{6}$ A) Balanced. B) Unbalanced. C) All the above. D) None of the above. Show Answer Correct Answer: A) Balanced. 24. What is the coefficient in this expression? 3x=21 A) 3. B) X. C) 21. D) None of the above. Show Answer Correct Answer: A) 3. 25. "Taking 5 away from x gives 9" . It equation form it will be written as ..... A) 5x = 9. B) X-5 = 9. C) 5-x = 9. D) 9-5 = x. Show Answer Correct Answer: B) X-5 = 9. ← 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