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#1. A spool holds 50 feet of wire. If an electrician uses 2/5 of it, how many feet are used?
#2. A spool holds 40 feet of wire. If an electrician uses 3/4 of it, how many feet are used?
#3. A spool holds 27 feet of wire. If an electrician uses 1/3 of it, how many feet are used?
#4. A spool holds 45 feet of wire. If an electrician uses 4/5 of it, how many feet are used?
#5. A supplier gives a 10% discount on a $200 order. What is the discounted price?
#6. A supplier gives a 15% discount on a $150 order. What is the discounted price?
#7. A supplier gives a 20% discount on a $80 order. What is the discounted price?
#8. A supplier gives a 25% discount on a $300 order. What is the discounted price?
#9. Solve for x: 3x โ 6 = 21
#10. Solve for x: 5x โ 10 = 25
#11. Solve for x: 4x โ 12 = 20
#12. Solve for x: 6x โ 9 = 21
#13. A crew buys 4 light fixtures at $12 each and 10 switches at $3 each. What is the total cost?
#14. A crew buys 6 light fixtures at $15 each and 8 switches at $4 each. What is the total cost?
#15. A crew buys 7 light fixtures at $9 each and 9 switches at $5 each. What is the total cost?
#16. A crew buys 3 light fixtures at $20 each and 12 switches at $6 each. What is the total cost?
#17. A service call is 90 miles away. If the truck averages 45 miles per hour, how long does the trip take?
#18. A service call is 120 miles away. If the truck averages 60 miles per hour, how long does the trip take?
#19. A service call is 75 miles away. If the truck averages 25 miles per hour, how long does the trip take?
#20. A service call is 150 miles away. If the truck averages 50 miles per hour, how long does the trip take?
#21. Installation times for similar fixtures are 18, 20, 22, 24 minutes. What is the average time per fixture?
#22. Installation times for similar fixtures are 30, 28, 32 minutes. What is the average time per fixture?
#23. Installation times for similar fixtures are 14, 16, 18, 20, 22 minutes. What is the average time per fixture?
#24. Installation times for similar fixtures are 25, 27, 29 minutes. What is the average time per fixture?
#25. The ratio of night-shift to day-shift workers is 2:3. If there are 25 workers in total, how many work nights?
#26. The ratio of night-shift to day-shift workers is 3:5. If there are 40 workers in total, how many work nights?
#27. The ratio of night-shift to day-shift workers is 4:1. If there are 30 workers in total, how many work nights?
#28. The ratio of night-shift to day-shift workers is 5:3. If there are 64 workers in total, how many work nights?
#29. A sequence of measurements is 5, 10, 15, 20. What is the next value?
#30. A sequence of measurements is 7, 11, 15, 19, 23. What is the next value?
#31. A sequence of measurements is 10, 13, 16, 19, 22, 25. What is the next value?
#32. A sequence of measurements is 12, 14, 16, 18, 20. What is the next value?
#33. Evaluate: (5 + 4) ร 6 โ 7
#34. Evaluate: (8 + 3) ร 5 โ 6
#35. Evaluate: (10 + 2) ร 7 โ 4
#36. Evaluate: (9 + 5) ร 3 โ 8
#37. An apprentice can install conduit at 18 feet per hour. How many feet can be installed in 4 hours?
#38. An apprentice can install conduit at 22 feet per hour. How many feet can be installed in 3 hours?
#39. An apprentice can install conduit at 15 feet per hour. How many feet can be installed in 5 hours?
#40. An apprentice can install conduit at 20 feet per hour. How many feet can be installed in 6 hours?
#41. A load draws 4 A of current through a 18 ฮฉ resistor. What is the voltage?
#42. A load draws 3 A of current through a 22 ฮฉ resistor. What is the voltage?
#43. A load draws 5 A of current through a 16 ฮฉ resistor. What is the voltage?
#44. A load draws 6 A of current through a 12 ฮฉ resistor. What is the voltage?
#45. A 48 V circuit has a resistance of 8 ฮฉ. What is the current?
#46. A 36 V circuit has a resistance of 6 ฮฉ. What is the current?
#47. A 60 V circuit has a resistance of 15 ฮฉ. What is the current?
#48. A 24 V circuit has a resistance of 4 ฮฉ. What is the current?
#49. A circuit operates at 120 V and draws 6 A. What is the resistance?
#50. A circuit operates at 90 V and draws 3 A. What is the resistance?
#51. A circuit operates at 72 V and draws 4 A. What is the resistance?
#52. A circuit operates at 96 V and draws 8 A. What is the resistance?
#53. A 24 A current is evenly shared by 3 parallel branches. How much current flows in each branch?
#54. A 18 A current is evenly shared by 2 parallel branches. How much current flows in each branch?
#55. A 30 A current is evenly shared by 5 parallel branches. How much current flows in each branch?
#56. A 16 A current is evenly shared by 4 parallel branches. How much current flows in each branch?
#57. A job instruction reads: ‘Do not energize circuits until all covers are installed.’ What is required?
#58. A notice says: ‘Store all materials neatly to prevent tripping hazards.’ What is the main purpose?
#59. A safety rule states: ‘Inspect extension cords for damage before each use.’ What should a worker do?
#60. A memo reads: ‘Only use GFCI-protected outlets for outdoor tools.’ What should workers do?
#61. A procedure states: ‘Verify panel labels match the circuits they control.’ What is the worker expected to do?
#62. A work order says: ‘Complete all conduit runs before pulling conductors.’ What is the correct sequence?
#63. A project note states: ‘Use color coding to distinguish control wiring from power wiring.’ What is the purpose?
#64. A sign reads: ‘Hearing protection required in this area.’ What must workers do?
#65. A supervisor writes: ‘Report completion of each task before starting the next one.’ What is expected?
#66. A lockout procedure says: ‘Attempt to start equipment after applying locks to verify isolation.’ What should be done?
#67. A job briefing notes: ‘Use spotters when backing vehicles in congested areas.’ What does this require?
#68. A checklist item reads: ‘Confirm all permits are signed before beginning work.’ What must be done?
#69. A warehouse has shelves labeled A, B, C, and D. Each shelf holds 18 boxes. How many boxes are there in total?