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
- One sixth
How many sixth are two thirds?
A man drinks a barrel of water for 31 days, woman for 58 days, for how many days they drink barrel together?
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.
How many permill is 1931 from 166456?
After increasing the number of employees by 11% company has 222 employees. How many employees take?
The tale of the Seven Ravens were seven brothers, each of whom was born exactly 1.5 years after the previous one. When the eldest of the brothers was 4-times older than the youngest, mother all curse. How old was seven ravens brothers when their mother cur
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