# Recent questions tagged work-time

1

A group of $\mathrm{N}$ people worked on a project. They finished $35 \%$ of the project by working $7$ hours a day for $10$ days. Thereafter, $10$ people left the group ...

2

$\text{A, B}$ and $\text{C}$ can do a piece of work in $24, 30$ and $40$ days respectively. They began the work together but $\text{C}$ left $10$ days before completion o...

3

One day, Rahul started a work at $9 \; \text{AM}$ and Gautam joined him two hours later. They then worked together and completed the work at $5 \; \text{PM}$ the same day...

4

Two pipes $\text{A}$ and $\text{B}$ are attached to an empty water tank. Pipe $\text{A}$ fills the tank while pipe $\text{B}$ drains it. If pipe $\text{A}$ is opened at $...

5

Amar, Akbar and Anthony are working on a project. Working together Amar and Akbar can complete the project in $1 \; \text{year},$ Akbar and Anthony can complete in $16$ m...

6

Anu, Vinu and Manu can complete a work alone in $15 \; \text{days}, 12 \; \text{days}$ and $20 \; \text{days},$ respectively. Vinu works everyday. Anu works only on alter...

7

A contractor agreed to construct a $6 \; \text{km}$ road in $200 \; \text{days}.$ He employed $140$ persons for the work. After $60 \; \text{days},$ he realized that only...

8

John takes twice as much time as Jack to finish a job. Jack and Jim together take one-thirds of the time to finish the job than John takes working alone. Moreover, in ord...

9

$A$ can do a piece of work in $14$ days which $B$ can do in $21$ days. They begin together but $3$ days before the completion of the work, $A$ leaves off. The total numbe...

10

If $9$ men working $7\frac{1}{2}$ hours a day can finish a work in $20$ days, then how many days will be taken by $12$ men working $6$ hours a day to finish the work, it ...

11

If $34$ men completed $2/5$th of a work in $8$ days working $9$ hours a day. How many more man should be engaged to finish the rest of the work in $6$ days working $9$ ho...

12

Worker $A$ takes $8$ hours to do a job. Worker $B$ takes $10$ hours to do the same job. How long it take both $\text{A&B}$, working together but independently, to do the ...

13

$A$ and $B$ can complete a task in $30$ days when working together. After $A$ and $B$ have been working together for $11$ days, $B$ is called away and $A$, himself comple...

14

$A$ can finish a work in $12$ days and $B$ can do it in $15$ days. After $A$ had worked for $3$ days, $B$ also joined $A$ to finish the remaining work. In how many days, ...

15

If $20$ men working $7$ hours a day can do a piece of work in $10$ days, in how many days will $15$ men working for $8$ hours a day do the same piece of work?$\dfrac{320}...

16

Aamir and Birju can cut $5000\;\text{g}$ of wood in $20$ min. Birju and Charles can cut $5000\;\text{g}$ of wood in $40$ min. Charles and Aamir cut $5\;\text{kg}$ of wood...

17

Ali is thrice as good as workman as Birju and therefore is able to finish a job in $60$ days less than Birju. If both Ali and Birju, work together, they can do it in:$20$...

18

$56$ men can complete a piece of work in $24$ days. In how many days can $42$ men complete the same piece of work ?$48$$32$$20$$16$

19

In a camp, there are meals for $120$ men or $200$ children. If $150$ children have taken their meals, how many men will be catered to with the remaining meal ?$50$$40$$30...

20

Arun and Barun are both athletes. However, Arun runs $25\%$ faster than Barun. He is able to allow Barun a lead of $7$ meters to end a race in scorching heat. What is the...

21

A task can be completed in $20$ days, if Rose and Ryan work together. However, if Rose worked alone and completed half the task and then Ryan takes over and completes the...

22

Anil alone can do a job in $20$ days while Sunil alone can do it in $40$ days. Anil starts the job, and after $3$ days, Sunil joins him. Again, after a few more days, Bim...

23

A water tank has inlets of two types $\text{A}$ and $\text{B}$. All inlets of type $\text{A}$ when open, bring in water at the same rate. All inlets of type $\text{B}$, w...

24

A tank is emptied everyday at a fixed time point. Immediately thereafter, either pump $\text{A}$ or pump $\text{B}$ or both start working until the tank is full. On Monda...

25

Ramesh and Ganesh can together complete a work in $16$ days. After seven days of working together, Ramesh got sick and his efficiency fell by $30\%$. As a result, they co...

26

A tank is fitted with pipes, some filling it and the rest draining it. All filling pipes fill at the same rate, and all draining pipes drain at the same rate. The empty t...

27

When they work alone, $\text{B}$ needs $25\%$ more time to finish a job than $\text{A}$ does. They two finish the job in $13$ days in the following manner: $\text{A}$ wor...

28

Humans and robots can both perform a job but at different efficiencies. Fifteen humans and five robots working together take thirty days to finish the job, whereas five h...

29

A tank has an inlet pipe and an outlet pipe. If the outlet pipe is closed then the inlet pipe fills the empty tank in $8$ hours. If the outlet pipe is open then the inlet...

30

Amal can complete a job in $10$ days and Bimal can complete it in $8$ days. Amal, Bimal and Kamal together complete the job in $4$ days and are paid a total amount of Rs ...

31

A person can complete a job in $120$ days. He works alone on Day $1$. On Day $2$, he is joined by another person who also can complete the job in exactly $120$ days. On D...

32

One man can do as much work in one day as a woman can do in $2$ days. A child does one third the work in a day as a woman. If an estate-owner hires $39$ pairs of hands, m...

33

A water tank has three taps $\text{A, B},$ and $\text{C. A}$ fills four buckets in $24$ mins, $\text{B}$ fills $8$ buckets in $1$ hour and $\text{C}$ fills $2$ buckets in...

34

There are two water drums in my house whose volumes are in the ratio $1: 5$. Every day the smaller drum is filled first and then the same pipe is used to fill the bigger ...

35

At their usual efficiency levels, A and B together finish a task in $12$ days. If A had worked half as efficiency as she usually does, and B had worked thrice as efficien...

36

Three men and eight machines can finish a job in half the time taken by three machines and eight men to finish the same job. If two machines can finish the job in $13$ da...

37

$\text{A, B}$ and $\text{C}$ can independently do a work in $15$ days, $20$ days and $30$ days, respectively. They work together for some time after which $\text{C}$ leav...

38

$A$ can complete half work in $7$ days $B$ can do $\dfrac{1}{3}$ of work in $14$ days .while $C$ can complete the $20\%$ of the remaining work in $\dfrac{28}{5}$ days. In...

39

aamir and birju can cut 5000 g of wood in 20 min.birju and charles can cut 5000 g of wood in 40 min.charles and aamir can cut 5 kg of wood in 30 min.how much time charles...

40

Q1)Srinu is 50% more efficient than Murali.If Srinu takes 20 days to finish a job then Murali will take how much time?