Rational numbers - examples
Compare fractions ?. Which fraction of the lower?
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?
- Above 100%
What is 155% of 210?
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
A man drinks a barrel of water for 31 days, woman for 58 days, for how many days they drink barrel together?
- One sixth
How many sixth are two thirds?
The office was attended by 39 people. 9 of them completed the questionnaire. What is the percentage of all people?
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?
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?
Double round number 884, first to tens, then to hundreds. (double rounding)
Is number 4.764023 irrational?
Calculate the missing denominator x: ?
Write time in minutes rounded to one decimal place: 1 h 42 m 22 s.
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.
Gross wage was 1113 USD including 16% bonus. How many USD were bonuses?
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.
After increasing the number of employees by 11% company has 222 employees. How many employees take?
How many permill is 1931 from 166456?
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
If an airplane flies 730 km/h for 2.2 h, how far does it travel?