Time + work - practice problems - page 8 of 31
Number of problems found: 605
- Expedition 82407
Food for 56 sailors would last 32 days. How long did the food supplies last the expedition if 14 castaways were taken on board after 12 days of sailing? - Excavators 82208
Two excavators dig a pit in 12 days. How much shorter will this job take if 8 excavators dig the hole? In 3 or 9 days? - Afforestation 81997
During afforestation, two workers planted 80 seedlings in 2 hours. At the same output, how many seedlings did 6 workers plant in 5 hours? - Production 80546
In a factory, 10 lines produce many screws in 8 days. How many days will production be extended if two of them fail? - Harvesting 45961
The father would pick all the apples himself in 8 days. After two days, the son also started harvesting, and after another four days, they finished harvesting. How much would his son pick all the apples for? - Seamstresses 42451
Eight seamstresses will make the order in 15 shifts. How many will be sewists if they have to complete an order three shifts earlier? - Carpenter 36293
The carpenter did the work in 3 2/5 hours. What part of the work did he do in an hour? - Cardholders 21563
Two cardholders will build a tower of cards in 0.5 hours. In how many hours will five such a tower be built? - Newspapers 13781
Ten machines produced newspapers in 18 hours. Two machines rang for 2 hours. How many hours did the production take? - Complete 5584
The two workers dug together for 6 hours. The first worker would do the work himself in 14 hours. How long would it take for the second worker to complete the task? - Together 3781
Milos would do the work himself in 5 hours. How much would it take Dan to do the job together in two hours? - Twenty-seven 3476
Twenty-seven workers did the work in 12 days. In how many days would nine workers do the same job? - Painted 3436
Mother and Pete painted a fence around the whole garden in 9 days. If Vlado helped them, how many days would it take them? - Working together
Zeru can complete a certain job in 5 days, and Tulu can complete the same job in 3 days. How long will they complete the job if they work together? - The mountain hut
The mountain hut has a supply of food for eight tourists for 15 days. Half more were come. How long will their food supply last if the daily ratio remains the same? - Everyone drinks the same
Twenty-four bricklayers drink 72 beverage bottles a day at the construction site. How many bottles would 19 bricklayers need? Everyone drinks the same. - Digging
The first worker would dig a trench in 6 hours. For the second, the same work would take 4 hours. How long did it take for the trench to be dug if they worked together? - Cooker
A current of 2A passes through the immersion cooker at a voltage of 230V. What work do the electric field forces do in 2 minutes? - Tributaries
We can fill the pool with two different tributaries. The first inflow would fill the pool in 18 hours and by both in 6 hours. How many hours would the pool fill with a second inflow? - Four painters
The company sent four painters to paint the school. They should be done in 12 days. After three days, one painter got ill. How long will the remaining painters paint the school?
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