Work - practice for 14 year olds - page 2 of 18
Number of problems found: 343
- Working together
One painter painted the nursery in 10 days, the second in 8 days. How many days will the nursery be painted if they work together? - Municipal 81852
Six workers repair 48 meters of municipal road in 2 days. How many days will 3 workers with the same output repair 60 meters of the road? - Assistant 39951
The worker performs the repair work in 20 days, and his assistant does the job himself in 60 days. How many days would they work together? - Gas pipeline
Worker Molnár excavated the gas pipeline in 15 hours, worker Lakatoš in 12 hours, and worker Soukup in 10 hours. After how many hours of joint work will the excavation be completed? - The bulb
Calculate the voltage at the bulb's terminals; if the work 18 J is done to transfer particles with an electric charge of 6 C. - The tank
The tank had nine inflows to be filled in 21 days. After nine days, three inflows shut down. How many days did the remaining six tributaries fill the tank? - Three workshops
2743 people are working in three workshops. In the second workshop works, 140 people more than in the first and in the third works 4.2 times more than the second one. How many people work in each workshop? - Three children
Three children eat eight chocolates in 6 days. How many chocolates do six children eat in 18 days? - Liquid soap
Liquid soap lasted two weeks for one member of the family. How many days will it last if it is used: a) two members b) 4 members c) seven members? - Simultaneously 83038
The cable car can take a given group of skiers out in 20 minutes and the lift in 30 minutes. How long will the lift and cable car take this group out simultaneously? - Roofers 82541
Three roofers cover a third of the roof in 10 days. In how many days would 5 roofers cover the entire roof at the same rate? - Painters 81101
Four painters painted the house in 14 days. How long will it take if 2 more come to help after 5 days? - Workforce 22353
Three times more women than men work in the beet field. Eight men and 8 women load beets. The rest of the workforce, in which there are five times more women than men, cuts beets. How many men and how many women work in the fields? - A stock
A stock of food is enough to feed 50 people for 14 days. How many days will the food last if 20 more people are added? - Two companies
The two companies did work together for 100 days. The first company would do it in 150 days. How many days would the work take the second company? - Hat and scarf
Katy knitted a scarf four times faster than a hat. Knitting together lasted 15 days. How much did she knit a hat? - The bricklayer
The bricklayer built a six-meter base of the fence in 3 hours. How long does it take to build a 14 m long base? - Grass
Peter and Stano lawn grass for 3 hours 12 minutes. How long would it take for Peter if Stano lawn grasses himself for 384 minutes? - Tributaries
The first tributary fills the pool with water in 15 hours. The second tributary fills the pool in 10 hours. For how many hours is the pool filled with both tributaries? - Welders
The welder does the job for six hours, the second one for 8 hours. How long do the job third welder, if all together can do the job in 2 hours?
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