This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Simple Equations > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The solution of the equation 4p-3 = 13 is ..... A) 1. B) 4. C) 6. D) 7. Show Answer Correct Answer: B) 4. 2. 3n+7=1 Find the statement A) Add 7 to ten times n to get 1. B) Add 13 to get 7. C) Add 7 to three times n to get 1. D) None of these. Show Answer Correct Answer: C) Add 7 to three times n to get 1. 3. Solve for a. |2a-10| = 6 A) A = 8, a=-2. B) A = 8, a = 5. C) A = 8, a = 2. D) A = 8. Show Answer Correct Answer: C) A = 8, a = 2. 4. A ..... is the number in front of a variable. A) Function. B) Coefficient. C) Range. D) Frontlet. Show Answer Correct Answer: B) Coefficient. 5. -11 + 3(b + 5) = 7 A) -3. B) 1. C) -1. D) 3. Show Answer Correct Answer: B) 1. 6. $\frac{p}{4}=16$ A) 4. B) 64. C) 12. D) 20. Show Answer Correct Answer: B) 64. 7. What operation would you perform first and then second when solving for m in the following equation?10 + 7m = 17 A) Subtract 10, and then divide by 7. B) Divide by 7, and then subtract 10. C) Multiply by 7, and then subtract 10. D) Add 10, and then multiply by 7. Show Answer Correct Answer: A) Subtract 10, and then divide by 7. 8. 4 + X$^{2}$ = 200 A) 7. B) 194. C) 12. D) 14. Show Answer Correct Answer: D) 14. 9. If a = 4 and b = 6, what is the value of 3a + 5b? A) 40. B) 46. C) 44. D) 42. Show Answer Correct Answer: D) 42. 10. Solve:3x + 7 =-8 A) -12. B) -18. C) 5. D) -5. Show Answer Correct Answer: D) -5. 11. Taking away 5 from x gives A) X-5 =10. B) X + 5 = 10. C) X-10-5. D) None of these. Show Answer Correct Answer: A) X-5 =10. 12. What is the solution to the equation 4 + x = 10? A) X = 7. B) X = 4. C) X = 6. D) X = 5. Show Answer Correct Answer: C) X = 6. 13. Write the statement for the equation4p-2 = 18 A) 4 times a number p subtracted from 2 is 18. B) 2 subtracted from 4 times a number p is 18. C) 2 subtracted from a number p multiplied by 4 gives 18. D) None of the above. Show Answer Correct Answer: B) 2 subtracted from 4 times a number p is 18. 14. A garden contains 75 flowers, each of which is either pink or white. If there are 37 pink flowers, how many white flowers are there? A) Make = 37. B) 37 + f = 75. C) 37-f = 75. D) Mob = 75. Show Answer Correct Answer: B) 37 + f = 75. 15. A mover uses a ramp to pull a 1000-newton cart up to the floor of his truck (0.8 meters high). If it takes a force of 200 newtons to pull the cart, what is the length of the ramp? A) 500. B) 200. C) 10. D) 5. Show Answer Correct Answer: D) 5. 16. $\frac{1}{3}a=5$ A) 20. B) 15. C) 25. D) 30. Show Answer Correct Answer: B) 15. 17. Solve the equation3x = 27. A) X = 81. B) X = 24. C) X = 3. D) X = 9. Show Answer Correct Answer: D) X = 9. 18. Solve 3x-10 = 2-x A) -4. B) -2. C) 3. D) 6. Show Answer Correct Answer: C) 3. 19. On January 22, 1943, the temperature in Spearfish, South Dakota, fell from 54$^\circ$F at 9:00 a.m. to-4$^\circ$F at 9:27 a.m. How many degrees did the temperature fall?Understanding the problem:What are we being asked to do? A) Find the total amount of degrees the temperature changed. B) Find the new temperature. C) Find the starting temperature. D) None of the above. Show Answer Correct Answer: A) Find the total amount of degrees the temperature changed. 20. Ca + o $ _ {2} $ = high A) Unbalanced. B) Balanced. C) All the above. D) None of the above. Show Answer Correct Answer: A) Unbalanced. 21. Which of the following equations can be formed starting with x = 0? A) + + 1 =-1. B) ZKS-1 =-1. C) ZKS-1 = 1. D) X/2 + 5 = 7. Show Answer Correct Answer: B) ZKS-1 =-1. 22. Dax + p-opposite = Z + Khax + 1 A) X = 9. B) No solution. C) Infinite solutions. D) X = 0. Show Answer Correct Answer: C) Infinite solutions. 23. If k + 7 = 10, find the value of 9k-50 A) 77. B) -23. C) -77. D) 23. Show Answer Correct Answer: B) -23. 24. 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 $ 1.52 at the discounted price. B) Each CD costs $ 7.60 at the regular price. C) Each CD costs $ 9.50 at the regular price. D) Each CD cost $ 8.65 at the regular price. E) Each CD costs $ 7.60 at the discounted price. Show Answer Correct Answer: C) Each CD costs $ 9.50 at the regular price. 25. $\frac{x}{-5}=-2$ A) $x=7$. B) $x=20$. C) $x=-10$. D) $x=10$. Show Answer Correct Answer: D) $x=10$. 26. What is the process of solving a linear equation? A) Graphing the equation on a coordinate plane. B) Finding the slope of the line. C) Isolating the variable using inverse operations. D) Substituting values into the equation. Show Answer Correct Answer: C) Isolating the variable using inverse operations. 27. 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) $\frac{2b-1}{\left(3-4b\right)\left(4-5b\right)}$. 28. 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. 29. Balance this equation- ..... P$_{4 }$+ ..... O$_{2 }$$\rightarrow$ ..... P$_{2}$O$_{3}$ A) It is already balanced. B) 2, 1, 3. C) 1, 3, 2. D) 1, 2, 3. Show Answer Correct Answer: C) 1, 3, 2. 30. 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. 31. 3 |-8X |+ 8 = 80 A) {-7/3, 7/3}. B) {11/3, -11/3}. C) {-3, 3}. D) No Solution. Show Answer Correct Answer: C) {-3, 3}. 32. Which value of x satisfies the equation:x/3 = 5 A) 15. B) 12. C) 9. D) 18. Show Answer Correct Answer: A) 15. 33. 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. 34. What is the opposite function to addition? A) Subtraction. B) Division. C) Substitution. D) Multiplication. Show Answer Correct Answer: A) Subtraction. 35. M-3/18 = 11/18 (a) A) 14/18. B) 8/18. C) 4/9. D) A. 7/9. Show Answer Correct Answer: D) A. 7/9. 36. Solve:$\frac{p}{5}=3$ A) $p=-\frac{3}{5}$. B) $p=\frac{3}{5}$. C) $p=8$. D) $p=15$. Show Answer Correct Answer: D) $p=15$. 37. Solve the following equation for x:10x-3 = 3x + 32 A) X = 3. B) X = 4. C) No solution. D) X = 5. Show Answer Correct Answer: D) X = 5. 38. 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. 39. 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. 40. Who is widely known to be the "Father of Mathematics" ? A) Archimedes. B) Fibonacci. C) Abacus. D) Aryabhata. Show Answer Correct Answer: A) Archimedes. 41. What + ..... h $ _ {2} $ $\rightarrow$ ch $ _ {4} $ + h $ _ {2} $ o A) 2. B) 1. C) 4. D) 3. Show Answer Correct Answer: D) 3. 42. What element is used in swimming pools and what is it's symbol? A) Oxygen, O. B) Chlorine, Cl. C) Water, H2O. D) Chlorine, Ch. Show Answer Correct Answer: B) Chlorine, Cl. 43. $3x+\frac{1}{5}=2-x$ A) $\frac{66}{32}$. B) $\frac{4}{50}$. C) $\frac{7}{20}$. D) $\frac{9}{20}$. Show Answer Correct Answer: D) $\frac{9}{20}$. 44. The ..... of a number is its distance from 0 on the number line. A) Absolute quantity. B) Inverse. C) Absolute value. D) Definitive value. Show Answer Correct Answer: C) Absolute value. 45. Gina wheels her wheelchair up a ramp using a force of 80 newtons. If the ramp has a mechanical advantage of 7, what is the output force (in newtons)? A) 560 N. B) 0.1 N. C) 11.4 N. D) 8 N. Show Answer Correct Answer: A) 560 N. 46. Which of the following are correct examples of compounds? A) Water, salt, air. B) Water, air, sugar. C) Water, salt, sugar. D) Oxygen, sugar, water. Show Answer Correct Answer: C) Water, salt, sugar. 47. $400=10.35\cdot t$ A) 410.35. B) 389.65. C) 4140. D) 38.65. Show Answer Correct Answer: D) 38.65. 48. Emily earns $ 14 per hour. Which equation represents how many hours she worked to earn $ 112? A) H + 14 = 112. B) H-14 = 112. C) 14 / h = 112. D) 14h = 112. Show Answer Correct Answer: D) 14h = 112. 49. The symbol "Cu" is what element? A) Carbon. B) Cobalt. C) Copper. D) Chromium. Show Answer Correct Answer: C) Copper. 50. What is the additive inverse of-10? A) -10. B) 1/10. C) 10. D) None of the above. Show Answer Correct Answer: C) 10. 51. Is the equation balanced?:2H$_{2}$O + O$_{2}$ $\rightarrow$ 4MgO + 3Fe A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 52. Sum of $\frac{5}{3}+\frac{12}{6}$ A) $\frac{11}{3}$. B) $\frac{17}{9}$. C) $\frac{17}{6}$. D) None. Show Answer Correct Answer: A) $\frac{11}{3}$. 53. What is the correct step to solve for the variable?15 = m-5 A) Add 15 to both sides. B) Add 5 to both sides. C) Subtract 15 from both sides. D) Subtract 5 from both sides. Show Answer Correct Answer: B) Add 5 to both sides. 54. Why is the following chemical equation not balanced? H$^{}$$_{2 + }$$^{}$O$_{2 }$$\rightarrow$ H$_{2}$O A) Each side of the equation has a different number of oxygen atoms. B) Each side of the equation has a different number of hydrogen atoms. C) Each side has the same mass. D) None of the above. Show Answer Correct Answer: A) Each side of the equation has a different number of oxygen atoms. 55. What is the metric unit for work? A) Miles. B) Joule. C) Meter. D) Newton. Show Answer Correct Answer: B) Joule. 56. How do you solve the equation x-5.5 = 10.5? A) Add 5.5 to both sides to get x = 16. B) Subtract 5.5 from both sides to get x = 5.5. C) Multiply both sides by 5.5 to get x = 57.25. D) Divide both sides by 5.5 to get x = 1.91. Show Answer Correct Answer: A) Add 5.5 to both sides to get x = 16. 57. Suppose Usain Bolt ran 400 meters at the same average speed (10.35) that he ran the 200 meters. How long would it take him to run 400 meters? Round your answer to the nearest hundredth of a second (two decimal places).What would the new equation look like? $d=r\cdot t$ A) $10.35=200\cdot t$. B) $10.35=400\cdot t$. C) $400=10.35\cdot t$. D) $200=400\cdot t$. Show Answer Correct Answer: C) $400=10.35\cdot t$. 58. The primary colors are important because A) They make all other colors. B) They are expensive. C) They have been around since the dinosaurs. D) None of the above. Show Answer Correct Answer: A) They make all other colors. 59. What is a coefficient? A) The small number on the right of the chemical symbol. B) The large number in front of a chemical formula. C) The number in between the chemical symbols. D) The number behind a chemical formula. Show Answer Correct Answer: B) The large number in front of a chemical formula. 60. If you subtract 3 from 6 times a number you get 9 A) Shh-z =. B) Sh+H = I. C) ZKS-s = it. D) ZKS+W = It. Show Answer Correct Answer: A) Shh-z =. 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