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Speed Distance Time Worksheet

Quantitative aptitude lesson 18: Speed, distance and time · Set 333 · 40 questions
TalentJR

The method (D = S × T): Distance = speed × time; time = distance ÷ speed. Change minutes to hours by ÷ 60. km/h → m/s: × 5/18. m/s → km/h: × 18/5. Average speed = total distance ÷ total time. Same distance there and back at a and b: average speed = 2 × a × b ÷ (a + b).

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  1. 1.A car runs for 4 hours at 40 km/h and then for 4 hours at 38 km/h. What is its average speed for the whole journey (in km/h)?
  2. 2.A car runs for 3 hours at 49 km/h and then for 3 hours at 31 km/h. What is its average speed for the whole journey (in km/h)?
  3. 3.How many minutes does a car take to go 17 km at 30 km/h?
  4. 4.Kabir cycles to his school at 42 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
  5. 5.Change 90 km/h into metres per second.
  6. 6.How many minutes does a car take to go 91 km at 78 km/h?
  7. 7.Kabir cycles to his school at 50 km/h and comes back by the same road at 75 km/h. What is his average speed for the whole trip (in km/h)?
  8. 8.Change 35 m/s into km/h.
  9. 9.A car runs for 2 hours at 77 km/h and then for 4 hours at 53 km/h. What is its average speed for the whole journey (in km/h)?
  10. 10.Kabir cycles to his school at 75 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
  11. 11.Change 18 km/h into metres per second.
  12. 12.Change 36 km/h into metres per second.
  13. 13.A car runs for 1 hour at 28 km/h and then for 3 hours at 40 km/h. What is its average speed for the whole journey (in km/h)?
  14. 14.How many minutes does a car take to go 126 km at 45 km/h?
  15. 15.A car runs for 1 hour at 61 km/h and then for 3 hours at 21 km/h. What is its average speed for the whole journey (in km/h)?
  16. 16.Kabir cycles to his school at 60 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
  17. 17.A car runs for 2 hours at 23 km/h and then for 4 hours at 62 km/h. What is its average speed for the whole journey (in km/h)?
  18. 18.How many minutes does a car take to go 96 km at 36 km/h?
  19. 19.Change 54 km/h into metres per second.
  20. 20.Kabir cycles to his school at 18 km/h and comes back by the same road at 54 km/h. What is his average speed for the whole trip (in km/h)?
  21. 21.A car runs for 1 hour at 43 km/h and then for 1 hour at 31 km/h. What is its average speed for the whole journey (in km/h)?
  22. 22.How many minutes does a car take to go 25 km at 60 km/h?
  23. 23.A bus runs at 90 km/h. How far does it go in 10 minutes (in km)?
  24. 24.A car runs for 2 hours at 37 km/h and then for 4 hours at 70 km/h. What is its average speed for the whole journey (in km/h)?
  25. 25.Change 108 km/h into metres per second.
  26. 26.A car runs for 2 hours at 28 km/h and then for 4 hours at 73 km/h. What is its average speed for the whole journey (in km/h)?
  27. 27.How many minutes does a car take to go 30 km at 72 km/h?
  28. 28.A car runs for 1 hour at 20 km/h and then for 2 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
  29. 29.Change 72 km/h into metres per second.
  30. 30.A car runs for 1 hour at 53 km/h and then for 2 hours at 71 km/h. What is its average speed for the whole journey (in km/h)?
  31. 31.A bus runs at 88 km/h. How far does it go in 90 minutes (in km)?
  32. 32.How many minutes does a car take to go 60 km at 50 km/h?
  33. 33.How many minutes does a car take to go 65 km at 50 km/h?
  34. 34.A car runs for 3 hours at 45 km/h and then for 1 hour at 37 km/h. What is its average speed for the whole journey (in km/h)?
  35. 35.Kabir cycles to his school at 40 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
  36. 36.Kabir cycles to his school at 66 km/h and comes back by the same road at 22 km/h. What is his average speed for the whole trip (in km/h)?
  37. 37.How many minutes does a car take to go 28 km at 42 km/h?
  38. 38.Change 30 m/s into km/h.
  39. 39.How many minutes does a car take to go 134 km at 60 km/h?
  40. 40.Change 40 m/s into km/h.

Answer key

  1. 39
  2. 40
  3. 34
  4. 28
  5. 25
  6. 70
  7. 60
  8. 126
  9. 61
  10. 25
  11. 5
  12. 10
  13. 37
  14. 168
  15. 31
  16. 40
  17. 49
  18. 160
  19. 15
  20. 27
  21. 37
  22. 25
  23. 15
  24. 59
  25. 30
  26. 58
  27. 25
  28. 30
  29. 20
  30. 65
  31. 132
  32. 72
  33. 78
  34. 43
  35. 30
  36. 33
  37. 40
  38. 108
  39. 134
  40. 144

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