Time - examples - page 3
Father dig up the garden in 13 hours. Son in 18 hours. How many hours take dig up the garden together?
Mr. Radoslav calculated that excavation for a water connection dig for 10 days. His friend would take 7 days. Radoslav worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of excavation they met?
In the workshop have to be produced for 5 days 4000 components. How many components must be produced in the workshop every day and how much per hour, if shift is 8 hours.
- Two workers
Two workers together execute some work in 10 days. The first worker would have done himself in 20 days. How many days would have done himself a second worker?
- Minute angle
Determine size of angle, which takes minute hand for 90 minutes.
- Working time - shortening
The media often speculates about the change (especially to shorten) the working time of the five-day eight-hour working week to another working model. Calculate how many hours a day the employee would have to work a day at 6-day work week if he must work t
How many times a day hands on a clock overlap?
Five painters painting the fence for eight days. How many days over will take work if paint the fence only four decorators?
Mailbox is opening at regular intervals 3 times a day. The first time is opened at 6:00 and the last at 16:00. Calculate hours when mailbox is opened during day.
- Daily average
Calculate the average temperature during the day, when 14 hours was 20 °C and 10 hours was 15 °C.
- Two tributaries
Two tributaries of the pool fill it in 10 hours. One of the tributaries would fill 15 hours. How long would fill the first tributary?
- Parquet floor
Three workers laid parquet floor for 1.957 hour. The first one would do this work alone 5 hours, the second in 9 hours. For how many hours would fulfill this work the third worker, if he worked alone?
Five mates traveled and the journey they lasted 195 minutes. How long would travel only one of them?
Peter's badminton class starts a quarter past two PM. He came at 15:26 . Does Peter arrive on time?
- Minute hand v2
In how many minutes describe the minute hand angle 60 degrees?
- Two typists
There are two typists who are rewriting the material 705 pages. First can it handle rewrite yourself for 24 days; the second 12 days. First typist wrote material yourself 4 days rest rewrites yourself second typist. How many days will it take rewriting alt
6 pump fills the tank for 3 and a half days. How long will fill the tank 7 equally powerful pumps?
- Forestry workers
In the forest is employed 63 laborers planting trees in nurseries. For 11 hour work day would end job in 43 days. After 14 days, 22 laborers go forth. How many days is needed to complete a planting trees in nurseries by others, if they will work 15 hours
Welder do the job for six hours, the second one for 8 hours. How long do the job third welder if all together can do job in 2 hours?
Worker and apprentice execute the work for 6 hours. Worker performs himself in 10 hours. How long do the work of an apprentice?