This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 18 = or A) 9. B) 2. C) 36. D) 8. Show Answer Correct Answer: A) 9. 2. Identify a constant in the expression3x + 2y + 7 A) 3. B) Any. C) 7. D) 2. Show Answer Correct Answer: C) 7. 3. A lever and fulcrum are used to lift a fallen tree, which has a weight of 480 N. If the lever has a mechanical advantage of 5.5, what is the input force that will begin lifting the tree off the ground? A) 5.5 N. B) 40.7 N. C) 87.3 N. D) 2640 N. Show Answer Correct Answer: C) 87.3 N. 4. Hh+1 = it A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 5. 3x+2=11 A) 4. B) 3. C) 4.3. D) -4. Show Answer Correct Answer: B) 3. 6. PCl$_{5}$ + ..... H$_{2}$O $\rightarrow$ ..... HCl + H$_{3}$PO$_{4}$ A) 4, 5. B) 1, 6. C) 3, 8. D) 2, 2. Show Answer Correct Answer: A) 4, 5. 7. 7 x [x] What is this [x] called as? A) Variable. B) Variable. C) Constant. D) None of these. Show Answer Correct Answer: A) Variable. 8. $\frac{b}{2}=-8$ A) -16. B) 16. C) -4. D) 4. Show Answer Correct Answer: A) -16. 9. Find the ErrorWhat error did the student make when solving the equation:1/5x + 6 = 3/5x + 51x + 6 = 3x + 5-2x + 6 = 5-2x =-1x = 1/2 A) The student found an incorrect common denominator. B) The student did not multiply all terms by the common denominator. C) The student did not use opposite operations appropriately. D) The student did not correctly eliminate the variable from one side of the equation. Show Answer Correct Answer: B) The student did not multiply all terms by the common denominator. 10. 3x-4 = 32 + 7x equation solution, with x integers is ..... A) X =-9. B) X =-6. C) X = 6. D) X = 9. Show Answer Correct Answer: A) X =-9. 11. The steps in solving 5b-6 = 24 are: A) Add 6 to both sides and divide both sides by 5. B) Add 6 to both sides and multiply both sides by 5. C) Subtract 6 from both sides then multiply both sides by 5. D) Subtract 6 from both sides then divide both sides by 5. Show Answer Correct Answer: A) Add 6 to both sides and divide both sides by 5. 12. An equation must contain an equal sign A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. How do you solve the equation x/2 = 5? A) Multiply both sides by 2 to get x = 10. B) Add 2 to both sides to get x = 7. C) Subtract 5 from both sides to get x =-5. D) Divide both sides by 2 to get x = 2.5. Show Answer Correct Answer: A) Multiply both sides by 2 to get x = 10. 14. X+1=0 A) 1. B) -18. C) 18. D) -1. Show Answer Correct Answer: D) -1. 15. If 200 joules of work was done to move an object with a force of 50 newtons, how far was the object moved? A) 2 meters. B) 45 meters. C) 4 meters. D) 150 meters. Show Answer Correct Answer: C) 4 meters. 16. The reciprocal of $\frac{7}{3}$ A) $\frac{3}{7}$. B) $\frac{7}{3}$. C) $-\frac{3}{7}$. D) 0. Show Answer Correct Answer: A) $\frac{3}{7}$. 17. Apply the Distributive Property as the first step.20(x + 1) = 200 A) X = 9. B) X = 180. C) X =-9. D) X =-180. Show Answer Correct Answer: A) X = 9. 18. $-54=9s$ A) $6=s$. B) $s=6$. C) $-6=s$. D) $s=-6$. Show Answer Correct Answer: D) $s=-6$. 19. Simplify the expression:$\frac{4y}{7}-\frac{3y}{7}$ A) $\frac{4y}{5}$. B) $\frac{y}{7}$. C) $y$. D) $\frac{3y}{5}$. Show Answer Correct Answer: B) $\frac{y}{7}$. 20. Which equation has x = 2 as a solution? A) 3 + x = 10. B) 11 + x = 13. C) Hh = 32. D) 5x = 25. Show Answer Correct Answer: B) 11 + x = 13. 21. 27 = ZKS A) 6. B) 2. C) 9. D) 3. Show Answer Correct Answer: C) 9. 22. Paul bought a notebook for $ 2.50 and 3 pencils. He spent a total of $ 5.47. How much did each pencil cost? A) $ .99. B) $ 2.97. C) $ 7.97. D) $ 1.17. Show Answer Correct Answer: A) $ .99. 23. In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Which equation would be used to find how many feet the tree grew? A) F + 8 = 14. B) F-8 = 14. C) F/8 = 14. D) 8F = 14. Show Answer Correct Answer: A) F + 8 = 14. 24. Y) =-24 A) Y= 2. B) Y= 10. C) Y= 15. D) Y=-5. Show Answer Correct Answer: B) Y= 10. 25. What is the operation of the following expression? x/5 A) Multiplication. B) Addition. C) Subtraction. D) Division. Show Answer Correct Answer: D) Division. ← 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