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CAT 2021 Set-3 | Quantitative Aptitude | Question: 15
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. If both had started at $9 \; \text{AM}$ and worked together ... . Working alone, the time Rahul would have taken, in hours, to complete the work is $10$ $12$ $12.5$ $11.5$

soujanyareddy13 asked in Quantitative Aptitude Jan 20, 2022

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CAT 2021 Set-2 | Quantitative Aptitude | Question: 20
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 $2 \; \text{pm}$ and pipe $\text{B}$ ... If pipe $\text{B}$ is not opened at all, then the time, in minutes, taken to fill the tank is $140$ $264$ $144$ $120$

soujanyareddy13 asked in Quantitative Aptitude Jan 20, 2022

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CAT 2021 Set-1 | Quantitative Aptitude | Question: 4
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 $16$ ... person who is neither the faster nor the slowest works alone, the time in months he will take to complete the project is

soujanyareddy13 asked in Quantitative Aptitude Jan 19, 2022

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4

CAT 2021 Set-1 | Quantitative Aptitude | Question: 5
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 alternate days starting from the first day while Manu works only on ... days starting from the second day. Then, the number of days needed to complete the work is $6$ $5$ $8$ $7$

soujanyareddy13 asked in Quantitative Aptitude Jan 19, 2022

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5

CAT 2020 Set-3 | Question: 60
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 $1.5 \; \text{km}$ road has been completed. How many additional people would he need to employ in order to finish the work exactly on time $?$

soujanyareddy13 asked in Quantitative Aptitude Sep 17, 2021

by soujanyareddy13

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CAT 2020 Set-2 | Question: 54
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 order to finish the job, John takes three days more than that taken by three of them working together. In how many days will Jim finish the job working alone $?$

soujanyareddy13 asked in Quantitative Aptitude Sep 17, 2021

by soujanyareddy13

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NIELIT 2019 Feb Scientist D - Section C: 8
$A$ 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 number of days to complete the work is : $\frac{33}{5}$ $8\frac{1}{2}$ $\frac{51}{5}$ $13\frac{1}{2}$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist D - Section C: 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 being given that $3$ men of former type work as much as $2$ men of the latter type in the same time ? $12\frac{1}{2}$ $13$ $9\frac{1}{2}$ $11$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2016 MAR Scientist C - Section A: 10
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 $9$ hours a day? $189$ $198$ $102$ $142$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 2, 2020

by Lakshman Patel RJIT

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NIELIT 2016 MAR Scientist C - Section A: 11
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 same job? $40/9$ days $40/7$ days $7.5$ days $8.5$ days

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 2, 2020

by Lakshman Patel RJIT

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11

NIELIT 2019 Feb Scientist C - Section C: 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 completes the task in the next $28$ days. Had $A$ been working alone, the number of days ... would have been: $\dfrac{379}{9} \\$ $\dfrac{840}{19} \\$ $\dfrac{520}{11} \\$ $\dfrac{590}{11}$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist C - Section C: 21
$A$ 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, the remaining work will be finished? $5\dfrac{1}{2} \\$ $4\dfrac{1}{2} \\$ $5$ $6$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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13

NIELIT 2019 Feb Scientist C - Section C: 29
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? $\dfrac{320}{21} \text{ days} \\$ $\dfrac{35}{3} \text{ days} \\$ $\dfrac{105}{16} \text{ days} \\$ $\dfrac{21}{5}\text{ days} \\$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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14

NIELIT 2017 OCT Scientific Assistant A - Section A: 2
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 in $30$ min. How much time Charles will take to cut $5\;\text{kg}$ wood alone? $120$ min $48$ min $240$ min $120/7$ min

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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15

NIELIT 2017 DEC Scientific Assistant A - Section A: 34
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: $20$ days $22.5$ days $25$ days $30$ days

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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16

NIELIT 2016 DEC Scientist B - Section A: 59
$56$ men can complete a piece of work in $24$ days. In how many days can $42$ men complete the same piece of work ? $48$ $32$ $20$ $16$

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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17

NIELIT 2016 DEC Scientist B - Section A: 58
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 ? $50$ $40$ $30$ $20$

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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18

NIELIT 2017 DEC Scientist B - Section A: 49
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 length of the race ? $10$ meters $25$ meters $15$ meters $35$ meters

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 30, 2020

by Lakshman Patel RJIT

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19

NIELIT 2017 DEC Scientist B - Section A: 60
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 second half, the task will be completed in $45$ days. How long will Rose ... if she worked alone ? Assume that Ryan is more efficient than Rose. $25$ days $30$ days $60$ days $65$ days

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 30, 2020

by Lakshman Patel RJIT

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20

CAT 2019 Set-2 | Question: 71
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, Bimal joins them and they together finish the job. If Bimal has done $10\%$ of the job, then in how many days was the job done? $14$ $13$ $15$ $12$

go_editor asked in Quantitative Aptitude Mar 20, 2020

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21

CAT 2018 Set-2 | Question: 78
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 $\text{B}$, when open, bring in water at the same rate. The empty tank is completely ... will the empty tank get completely filled if $7$ inlets of type $\text{A}$ and $27$ inlets of type $\text{B}$ are open?

go_editor asked in Quantitative Aptitude Mar 20, 2020

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CAT 2018 Set-2 | Question: 76
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 Monday, $\text{A}$ alone completed filling the tank at $8$ pm. On Tuesday, $\text{B}$ ... tank filled on Thursday if both pumps were used simultaneously all along? $4:36$ pm $4:12$ pm $4:24$ pm $4:48$ pm

go_editor asked in Quantitative Aptitude Mar 20, 2020

13.4k points

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3 votes

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23

CAT 2018 Set-2 | Question: 82
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 completed the work in $17$ days instead of $16$ days. If Ganesh had worked alone after Ramesh got sick, in how many days would he have completed the remaining work? $13.5$ $11$ $12$ $14.5$

go_editor asked in Quantitative Aptitude Mar 20, 2020

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24

CAT 2018 Set-1 | Question: 68
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 tank gets completely filled in $6$ hours when $6$ filling and $5$ ... draining pipes are on. In how many hours will the empty tank get completely filled when one draining and two filling pipes are on?

go_editor asked in Quantitative Aptitude Mar 20, 2020

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CAT 2018 Set-1 | Question: 100
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: $\text{A}$ works alone till half the job is done, then $\text{A}$ and $\text{B}$ work together ... the remaining $5\%$ of the job. In how many days can $\text{B}$ alone finish the entire job? $20$ $16$ $22$ $18$

go_editor asked in Quantitative Aptitude Mar 20, 2020

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26

CAT 2018 Set-1 | Question: 99
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 humans and fifteen robots working together take sixty days to finish it. How many days will fifteen humans working together (without any robot) take to finish it? $36$ $32$ $45$ $40$

go_editor asked in Quantitative Aptitude Mar 20, 2020

13.4k points

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27

CAT 2017 Set-2 | Question: 74
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 pipe fills the empty tank in $10$ hours. If only the outlet pipe is open then in how many hours the full tank becomes half-full? $20$ $30$ $40$ $45$

go_editor asked in Quantitative Aptitude Mar 16, 2020

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CAT 2017 Set-2 | Question: 79
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 $1000$ as remuneration. If this amount is shared by them in proportion to their work, then Kamal's share, in rupees, is $100$ $200$ $300$ $400$

go_editor asked in Quantitative Aptitude Mar 16, 2020

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29

CAT 2017 Set-1 | Question: 68
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 Day $3$, they are joined by another person of equal efficiency. Like this, ... a new person with the same efficiency joins the work. How many days are required to complete the job? $15$ $35$ $23$ $40$

go_editor asked in Quantitative Aptitude Mar 13, 2020

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CAT 2015 | Question: 88
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, men, women and children in the ratio $6: 5: 2$ and pays them in all Rs. $1113$ at ... the daily wages of a child be, if the wages are proportional to the amount of work done? Rs. $14$ Rs. $5$ Rs. $20$ Rs. $7$

go_editor asked in Quantitative Aptitude Mar 9, 2020

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31

CAT 2015 | Question: 84
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 $20$ minutes. If all taps are opened together a full tank is emptied in $2$ hours. If a buckets can hold $5$ litres of water, what is the capacity of the tank in litres _________

go_editor asked in Quantitative Aptitude Mar 9, 2020

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CAT 2011 | Question: 8
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 drum. Normally by the time I return from my college, i.e., at $1: 30$ pm, the smaller drum would ... was the smaller drum full? $1 : 18\;\text{pm}$ $1 : 28\;\text{pm}$ $1 : 26\;\text{pm}$ Cannot be determined

Krithiga2101 asked in Quantitative Aptitude Mar 9, 2020

by Krithiga2101

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33

CAT 2019 Set-1 | Question: 74
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 efficiency as he usually does, the task would have been completed in $9$ days. How many days would A take to finish the task if she works alone at her usual efficiency? $24$ $18$ $12$ $36$

go_editor asked in Quantitative Aptitude Mar 8, 2020

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34

CAT 2019 Set-1 | Question: 81
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 $13$ days, then how many men can finish the job in $13$ days?______

go_editor asked in Quantitative Aptitude Mar 8, 2020

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35

CAT 2012 | Question: 20
$\text{A, B}$ 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 $\text{C}$ leaves. $\text{A}$ total of $₹18000$ is paid for the work and $\text{B}$ gets $₹6000$ more than $\text{C}$. For how many days did $\text{A}$ work? $2$ $4$ $6$ $8$

Chandanachandu asked in Quantitative Aptitude Mar 5, 2020

by Chandanachandu

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2 votes

3 answers

36

self doubt
$A$ 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 how many days $A,B,C$ will complete the work together ?

eyeamgj asked in Quantitative Aptitude Jun 15, 2018

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NIELIT 2017
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 will take to cut 5 kg wood alone??

Mk Utkarsh asked in Quantitative Aptitude Dec 15, 2017

256 points

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2 votes

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38

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

Lakshman Patel RJIT asked in Quantitative Aptitude Nov 25, 2017

by Lakshman Patel RJIT

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39

CAT 1994 | Question: 58
Choose the best alternative: 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, men, woman and children in the ratio 6 : 5 :2 and pays them ... must the daily wages of a child be, if the wages are proportional to the amount of work done? Rs. 14 Rs. 5 Rs. 20 Rs. 7

makhdoom ghaya asked in Quantitative Aptitude Oct 12, 2017

by makhdoom ghaya

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40

CAT 1995 | Question: 180
Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day). ... produce 30 pieces of P and 25 pieces of Q? 6 hours 30 minutes 7 hours 24 minutes 5 hours 48 minutes 4 hours 6 minutes

makhdoom ghaya asked in Quantitative Aptitude Oct 4, 2017

by makhdoom ghaya

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