Time + unit conversion - examples

  1. Failure
    car_12 Drivers of passenger cars have calculated that at a speed of 60 km/h arrives at destination within 40 minutes. After 20 km refrain five minutes due a technical failure. How fast must go the rest of the way to the finish came at the scheduled time?
  2. Holidays
    holidays Calculate how many hours take holidays, if take 1 weeks.
  3. Weeks
    calendar 55 weeks is equal to how many days?
  4. Theatre
    divadlo Theatrical performance started at 17:25 and ended at 18:25. How many minutes long?
  5. Hours
    watch_1 How many hours is 5 days?
  6. Clock
    1clock How many hours is 12 days?
  7. Time
    time Write time in minutes rounded to one decimal place: 1 h 42 m 22 s.
  8. Clock
    hodiny How many times a day hands on a clock overlap?
  9. Server
    p_pro Calculate how many average minutes a year is the web server is unavailable, the availability is 99.99%.
  10. Motion problem
    dragway From Bratislavy to Martina go car at speed 83 km/h. From Martina to Bratislavy go another car at speed 62 km/h. How many minutes before the meeting will be cars 21 km away?
  11. Time
    clock_time 11.9 days ..... how many hours is it?
  12. Car
    formula Car is going 89 km per hour. How long distance goes in 1 minute?
  13. Thrift woman
    babky Calculate how long grandmother will save to new shoes priced 144 euros if save 3 Eur monthly.
  14. Knight
    jazdec Knight passed 25 km long track in 50 minutes, what was his average speed?
  15. Water tank
    akvarium_1 Water tank shape cuboid has a width of 3.3 m and length twice larger. How high will reach water if water flow into 15 liters of water per second during 23 minutes?
  16. Wood
    rubanie_dreva Peter chops wood. If they cut down a half hours a day he ended work in 9 days. But Peter needs to end work 3 days earlier. How many minutes a day should cut down?
  17. Buses 4
    bus4 intervals: 1st bus 40 min. 2nd bus 2h 3rd bud 20min How long take them to meet - as soon as possible?
  18. Water inlets
    pipe Inlet valve with a flow rate of 12 liters per second is filled tank for 72 minutes. How long take to fill full tank if we open one more such valve half an hour after?
  19. Pumps
    number-1 First pump flows 16 liters per second into the basin by the second pump 75% of the first and by third pump half more than the second. How long will take fill basin by all three pumps simultaneously volume 15 m3 (cubic meters)?
  20. Pool 3
    basen_3 How long will fill pool cuboid shape (8m 6m 1.5m) when flows 15 liters/s?

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