Rational numbers - examples

  1. Compare
    fraction Compare fractions ?. Which fraction of the lower?
  2. Troops
    regiment Route is long 203 km and the first day first regiment went at an average speed 20 km/h and journey back 19 km/h. The second day went second regiment same route at an average speed 18 km/h there and back. Which regiment will take route longer?
  3. Above 100%
    dummy What is 155% of 210?
  4. Logic
    blue-barrel A man drinks a barrel of water for 31 days, woman for 58 days, for how many days they drink barrel together?
  5. Medicament
    tablets Same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 1200 mg of active substance per pack cost 18 Eur. Pack 2: includes 30 pills of 1000 mg of active s
  6. One sixth
    one_sixth How many sixth are two thirds?
  7. Bureaucracy
    bureaucrat The office was attended by 39 people. 9 of them completed the questionnaire. What is the percentage of all people?
  8. Camp
    skauti In the camp are children. 1/4 went on a trip, 1/2 went to bathe and 99 children remained in the room. How many children are in camp?
  9. Rounding
    periodic6 Double round number 884, first to tens, then to hundreds. (double rounding)
  10. Beer
    piva After three 10° beers consumed in a short time there are 7.4 g of alcohol in 5 kg adult human blood. How much is it per mille?
  11. Number
    sqrt_2 Is number 4.764023 irrational?
  12. Denominator
    fraction_half Calculate the missing denominator x: ?
  13. Time
    time Write time in minutes rounded to one decimal place: 1 h 42 m 22 s.
  14. Discount
    pulover Ladies sweater was twice discounted. First by 17%, then by 17% of the new price. Its final price was 72 USD. Determine the original price of sweater.
  15. Bonus
    moeny Gross wage was 1113 USD including 16% bonus. How many USD were bonuses?
  16. Company
    team After increasing the number of employees by 11% company has 222 employees. How many employees take?
  17. Permill
    permille How many permill is 1931 from 166456?
  18. Pool
    swimming-pool The swimming pool is 6 m wide and 14 m long and 185 cm deep. How many hectoliters of water is in it, if the water is 9 cm below its upper edge.
  19. Madams
    womans During the spring cleaning ladies going to wash windows. Mother takes wash all the windows 5 hours, the grandmother 3 times longer and Paula wash all windows in 5 hours. How many hours will spend washing the windows this "women's team" if working togethe
  20. Aircraft
    787 If an airplane flies 730 km/h for 2.2 h, how far does it travel?

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