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Speed Distance Time Worksheet

Quantitative aptitude lesson 18: Speed, distance and time · Set 202 · 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 2 hours at 50 km/h and then for 2 hours at 70 km/h. What is its average speed for the whole journey (in km/h)?
  2. 2.Kabir cycles to his school at 70 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)?
  3. 3.A car runs for 1 hour at 45 km/h and then for 2 hours at 33 km/h. What is its average speed for the whole journey (in km/h)?
  4. 4.Kabir cycles to his school at 33 km/h and comes back by the same road at 88 km/h. What is his average speed for the whole trip (in km/h)?
  5. 5.Change 40 m/s into km/h.
  6. 6.How many minutes does a car take to go 34 km at 34 km/h?
  7. 7.A car runs for 3 hours at 60 km/h and then for 3 hours at 48 km/h. What is its average speed for the whole journey (in km/h)?
  8. 8.How many minutes does a car take to go 15 km at 30 km/h?
  9. 9.Change 18 km/h into metres per second.
  10. 10.How many minutes does a car take to go 65 km at 39 km/h?
  11. 11.Change 108 km/h into metres per second.
  12. 12.Change 20 m/s into km/h.
  13. 13.Change 72 km/h into metres per second.
  14. 14.Kabir cycles to his school at 66 km/h and comes back by the same road at 55 km/h. What is his average speed for the whole trip (in km/h)?
  15. 15.A car runs for 1 hour at 58 km/h and then for 2 hours at 37 km/h. What is its average speed for the whole journey (in km/h)?
  16. 16.A car runs for 2 hours at 47 km/h and then for 4 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
  17. 17.A car runs for 2 hours at 26 km/h and then for 1 hour at 74 km/h. What is its average speed for the whole journey (in km/h)?
  18. 18.A car runs for 2 hours at 38 km/h and then for 1 hour at 59 km/h. What is its average speed for the whole journey (in km/h)?
  19. 19.A car runs for 2 hours at 68 km/h and then for 2 hours at 46 km/h. What is its average speed for the whole journey (in km/h)?
  20. 20.How many minutes does a car take to go 105 km at 75 km/h?
  21. 21.How many minutes does a car take to go 150 km at 40 km/h?
  22. 22.Kabir cycles to his school at 60 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
  23. 23.How many minutes does a car take to go 119 km at 42 km/h?
  24. 24.A car runs for 2 hours at 74 km/h and then for 1 hour at 41 km/h. What is its average speed for the whole journey (in km/h)?
  25. 25.Change 10 m/s into km/h.
  26. 26.Change 36 km/h into metres per second.
  27. 27.Kabir cycles to his school at 21 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
  28. 28.How many minutes does a car take to go 111 km at 74 km/h?
  29. 29.A bus runs at 36 km/h. How far does it go in 10 minutes (in km)?
  30. 30.Change 54 km/h into metres per second.
  31. 31.Kabir cycles to his school at 90 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
  32. 32.A car runs for 1 hour at 56 km/h and then for 3 hours at 36 km/h. What is its average speed for the whole journey (in km/h)?
  33. 33.Kabir cycles to his school at 80 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
  34. 34.A bus runs at 75 km/h. How far does it go in 40 minutes (in km)?
  35. 35.Change 15 m/s into km/h.
  36. 36.Kabir cycles to his school at 14 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
  37. 37.Kabir cycles to his school at 35 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
  38. 38.A car runs for 2 hours at 75 km/h and then for 3 hours at 20 km/h. What is its average speed for the whole journey (in km/h)?
  39. 39.How many minutes does a car take to go 112 km at 32 km/h?
  40. 40.A car runs for 1 hour at 76 km/h and then for 1 hour at 66 km/h. What is its average speed for the whole journey (in km/h)?

Answer key

  1. 60
  2. 42
  3. 37
  4. 48
  5. 144
  6. 60
  7. 54
  8. 30
  9. 5
  10. 100
  11. 30
  12. 72
  13. 20
  14. 60
  15. 44
  16. 39
  17. 42
  18. 45
  19. 57
  20. 84
  21. 225
  22. 20
  23. 170
  24. 63
  25. 36
  26. 10
  27. 24
  28. 90
  29. 6
  30. 15
  31. 60
  32. 41
  33. 32
  34. 50
  35. 54
  36. 24
  37. 20
  38. 42
  39. 210
  40. 71

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