Class 7 Mathematics Chapter 4 Simple Equations Quiz 1 (60 MCQs)

Quiz Instructions

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1. The solution of the equation 4p-3 = 13 is .....
2. 3n+7=1 Find the statement
3. Solve for a. |2a-10| = 6
4. A ..... is the number in front of a variable.
5. -11 + 3(b + 5) = 7
6. $\frac{p}{4}=16$
7. What operation would you perform first and then second when solving for m in the following equation?10 + 7m = 17
8. 4 + X$^{2}$ = 200
9. If a = 4 and b = 6, what is the value of 3a + 5b?
10. Solve:3x + 7 =-8
11. Taking away 5 from x gives
12. What is the solution to the equation 4 + x = 10?
13. Write the statement for the equation4p-2 = 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?
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?
16. $\frac{1}{3}a=5$
17. Solve the equation3x = 27.
18. Solve 3x-10 = 2-x
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?
20. Ca + o $ _ {2} $ = high
21. Which of the following equations can be formed starting with x = 0?
22. Dax + p-opposite = Z + Khax + 1
23. If k + 7 = 10, find the value of 9k-50
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.
25. $\frac{x}{-5}=-2$
26. What is the process of solving a linear equation?
27. Simplify the expression:$\frac{2}{3-4b}-\frac{3}{4-5b}$
28. Check whether the value given in the brackets is a solution to the given equation or not:n + 5 = 19 (n = 1)
29. Balance this equation- ..... P$_{4 }$+ ..... O$_{2 }$$\rightarrow$ ..... P$_{2}$O$_{3}$
30. Please solve this equation$^{c}$/$_{9}$ = 8
31. 3 |-8X |+ 8 = 80
32. Which value of x satisfies the equation:x/3 = 5
33. Use the inverse operation to solve the equationn + 5 = 21
34. What is the opposite function to addition?
35. M-3/18 = 11/18 (a)
36. Solve:$\frac{p}{5}=3$
37. Solve the following equation for x:10x-3 = 3x + 32
38. Write in statement:5k = 20
39. An axle is 4 meters and the wheel is 8 meters. What is the mechanical advantage?
40. Who is widely known to be the "Father of Mathematics" ?
41. What + ..... h $ _ {2} $ $\rightarrow$ ch $ _ {4} $ + h $ _ {2} $ o
42. What element is used in swimming pools and what is it's symbol?
43. $3x+\frac{1}{5}=2-x$
44. The ..... of a number is its distance from 0 on the number line.
45. Gina wheels her wheelchair up a ramp using a force of 80 newtons. If the ramp has a mechanical advantage of 7, what is the output force (in newtons)?
46. Which of the following are correct examples of compounds?
47. $400=10.35\cdot t$
48. Emily earns $ 14 per hour. Which equation represents how many hours she worked to earn $ 112?
49. The symbol "Cu" is what element?
50. What is the additive inverse of-10?
51. Is the equation balanced?:2H$_{2}$O + O$_{2}$ $\rightarrow$ 4MgO + 3Fe
52. Sum of $\frac{5}{3}+\frac{12}{6}$
53. What is the correct step to solve for the variable?15 = m-5
54. Why is the following chemical equation not balanced? H$^{}$$_{2 + }$$^{}$O$_{2 }$$\rightarrow$ H$_{2}$O
55. What is the metric unit for work?
56. How do you solve the equation x-5.5 = 10.5?
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? $d=r\cdot t$
58. The primary colors are important because
59. What is a coefficient?
60. If you subtract 3 from 6 times a number you get 9