Time + reason - practice problems - page 7 of 19
Number of problems found: 362
- Competitors 49101
Competitors drove two-fifths of the race route in 60 minutes. How long before they passed the first fifth? How long was the race? And did they still drive at the same speed? - Inspectors 19633
Five inspectors will catch an average of 70 black passengers in 6 days. How many black passengers are caught by nine inspectors in 10 days? - Minutes 6093
The tower clock delays only 55 minutes in an hour. It's noon, and the clock shows the exact time. What time will they show up after four hours? - Inspectors 5037
Five inspectors will catch an average of 70 black passengers in 6 days. How many black passengers are caught by nine inspectors in 10 days? - Youngest 4808
Peter, Leo, and Ivo are siblings. Peter is three times older than Leo, and Leo is three times younger than Ivo. They are 28 years old together. How many years is the youngest of them? - Warmer weather
This morning it was -6 °C. What temperature did the thermometer show yesterday if it was three times warmer? - Television
When we add to the difference between the numbers 1704 and 654 and the difference between numbers 14920 and 14042, we get a year in which television was invented. How many years have people known TV? - Jane and Miro
Jane's brother Miro is 42 years. And he is three times old as was Jane when Miro was for so many years as there are now Jane. How old is Jane? - A family
A family of four pays for garbage collection per the year 1800 Kč. How many crowns a year does the waste company get from the house where live 93 people live? - Tablecloth
I embroider a tablecloth in 20 days, but if I embroider for 3/4 hours a day, I have embroidered it for 15 days. How long do I embroider a day? - TV fail
The TV has average 35 failures after 10,000 hours. Find the probability of TV failure after 400 hours of operation. - Gardeners 5542
Three gardeners mow the meadow for a while. Four gardeners can do it half an hour earlier. How long will it take five gardeners to do it? - Finished 5279
Štěpán is planting trees. If he had planted 12 trees every hour instead of 9 trees, he would have finished 1 hour earlier. How many stems should he plant? - Workers 4949
The three workers will dig one big pit in two days. How many workers would dig seven large pits in three days? - Two workers
One worker makes a part 4 hours and the second 9 hours later than they would make the same part together. How long does it take for each worker to make the part himself? - The tourist
The tourist traveled 78km in 3 hours. Part of the journey went on foot at 6km/h, the rest of the trip by bus at 30km/h. How long did he walk? - Train delay
The train should be at the station for 10 minutes. It still has 32 km left. What is the expected delay if the train travels in 2 minutes 3 km except for the last section 2 km in 5 minutes? - April (month)
April has 30 days. Roman saves his money in the box for the whole month. Every third day you save 10 cents. How many cents did Roman save during the entire month he started saving on April 1? - Grandmother's clocks
Grandmother's clock is late every hour by half a minute. Grandmother set the clock exactly at 8.00 am. How many hours will show after 24 hours? - Disease
Farmers'cooperative had a supply of feed for 50 cows for six days. Cows got insidious disease after four days. Ten of them died. How many total days that farmers had feed cows?
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