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Speed Distance Time Worksheet

Quantitative aptitude lesson 18: Speed, distance and time · Set 304 · 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 3 hours at 24 km/h and then for 3 hours at 72 km/h. What is its average speed for the whole journey (in km/h)?
  2. 2.How many minutes does a car take to go 39 km at 45 km/h?
  3. 3.A car runs for 4 hours at 23 km/h and then for 4 hours at 29 km/h. What is its average speed for the whole journey (in km/h)?
  4. 4.Change 18 km/h into metres per second.
  5. 5.Change 72 km/h into metres per second.
  6. 6.A car runs for 2 hours at 49 km/h and then for 3 hours at 64 km/h. What is its average speed for the whole journey (in km/h)?
  7. 7.A car runs for 3 hours at 77 km/h and then for 2 hours at 42 km/h. What is its average speed for the whole journey (in km/h)?
  8. 8.Kabir cycles to his school at 63 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
  9. 9.Change 108 km/h into metres per second.
  10. 10.A car runs for 1 hour at 22 km/h and then for 3 hours at 74 km/h. What is its average speed for the whole journey (in km/h)?
  11. 11.A car runs for 3 hours at 30 km/h and then for 3 hours at 32 km/h. What is its average speed for the whole journey (in km/h)?
  12. 12.A bus runs at 51 km/h. How far does it go in 40 minutes (in km)?
  13. 13.A car runs for 3 hours at 29 km/h and then for 1 hour at 49 km/h. What is its average speed for the whole journey (in km/h)?
  14. 14.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)?
  15. 15.How many minutes does a car take to go 38 km at 38 km/h?
  16. 16.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)?
  17. 17.Change 90 km/h into metres per second.
  18. 18.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)?
  19. 19.A car runs for 2 hours at 74 km/h and then for 4 hours at 29 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 130 km at 50 km/h?
  21. 21.Kabir cycles to his school at 39 km/h and comes back by the same road at 78 km/h. What is his average speed for the whole trip (in km/h)?
  22. 22.Kabir cycles to his school at 20 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
  23. 23.Kabir cycles to his school at 36 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)?
  24. 24.Change 36 km/h into metres per second.
  25. 25.Kabir cycles to his school at 15 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)?
  26. 26.How many minutes does a car take to go 128 km at 32 km/h?
  27. 27.A bus runs at 64 km/h. How far does it go in 45 minutes (in km)?
  28. 28.Change 10 m/s into km/h.
  29. 29.Change 5 m/s into km/h.
  30. 30.How many minutes does a car take to go 43 km at 30 km/h?
  31. 31.A bus runs at 88 km/h. How far does it go in 45 minutes (in km)?
  32. 32.Kabir cycles to his school at 90 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
  33. 33.Kabir cycles to his school at 35 km/h and comes back by the same road at 63 km/h. What is his average speed for the whole trip (in km/h)?
  34. 34.Change 40 m/s into km/h.
  35. 35.A bus runs at 84 km/h. How far does it go in 90 minutes (in km)?
  36. 36.How many minutes does a car take to go 92 km at 46 km/h?
  37. 37.How many minutes does a car take to go 14 km at 70 km/h?
  38. 38.A car runs for 1 hour at 76 km/h and then for 3 hours at 32 km/h. What is its average speed for the whole journey (in km/h)?
  39. 39.A car runs for 2 hours at 32 km/h and then for 2 hours at 20 km/h. What is its average speed for the whole journey (in km/h)?
  40. 40.Change 25 m/s into km/h.

Answer key

  1. 48
  2. 52
  3. 26
  4. 5
  5. 20
  6. 58
  7. 63
  8. 28
  9. 30
  10. 61
  11. 31
  12. 34
  13. 34
  14. 27
  15. 60
  16. 20
  17. 25
  18. 24
  19. 44
  20. 156
  21. 52
  22. 30
  23. 18
  24. 10
  25. 20
  26. 240
  27. 48
  28. 36
  29. 18
  30. 86
  31. 66
  32. 72
  33. 45
  34. 144
  35. 126
  36. 120
  37. 12
  38. 43
  39. 26
  40. 90

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