Cluster · Time and Work Problems
| Question | Category | Subtype | Difficulty | |
|---|---|---|---|---|
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X and Y together can complete a piece of work in 20 days, while Y and Z together can complete it in 24 days. After X worked on it for 10 days and Y for 18 days, Z alone completed the remaining work in another 13 days. X and Z together complete 75% of the original in: pipeline-1228982
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ib | — | intermediate | |
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To do a certain work, A is 40% more efficient than B. Working together; they can do the same work in 15 days. A started the work and left after 15 days. B and C together completed the remaining work in the next 10 days. C alone can do one-third of the original work in: pipeline-1227929
|
ib | — | intermediate | |
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P and Q can complete a work in one week, Q and R can do the same work in two weeks, and P and R can do the same work in 3.5 days. In how many days can they together do the entire work? pipeline-1194768
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delhi_police | — | intermediate | |
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Sachi does half as much work as Sakshi in three-fourths of the time. If together they take 18 days to complete the work, how much time will Sakshi take to do it? pipeline-1194764
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delhi_police | — | intermediate | |
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A can complete 2/3rd of work in 10 days and B can complete 4/5th work in 8 days. They work together for 5 days. The remaining work is completed by C alone in 6 days. In how many days C alone can complete 75% of the same work? pipeline-1142228
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delhi_police | — | intermediate | |
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A can type 50 words in 1 min and B can type 40 words in 1 min. First A typed for 1 min then B typed for 1 min and so on. In this way typing alternately they typed 980 words. The time taken by them in typing these 980 words was: pipeline-1172735
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delhi_police | — | intermediate | |
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Amit, Bikash, and Chandu can do a piece of work in 25 days, 30 days, and 15 days respectively. They start working and after 4 days Bikash stops working and Chandu stops working 3 days before finishing the work. In how many days will the total work be completed? pipeline-1172830
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delhi_police | — | intermediate | |
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John can do a piece of work alone in 20 days, while Ravi can do the same piece of work alone in 28 days. In how many days can the duo complete the same work if they work together? pipeline-1172840
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delhi_police | — | intermediate | |
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Rohan can alone finish a work in 12 days and Hari can alone in 16 days. They both work for 3 days and then Rohan left. After that only Hari works and finishes the work. The total work will be completed in: pipeline-1147253
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delhi_police | — | intermediate | |
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A takes twice as long as B and C together take to complete a work, and B takes twice as long as A and C together. However, A, B and C together can complete the work in 30 days. How long would C alone take to complete the work? pipeline-1157236
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delhi_police | — | intermediate | |
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A can finish a piece of work by working alone in 4 days. B, while working alone, can finish the same work in 12 days. If both of them work together, then in how many days will the work be completed? pipeline-1157234
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delhi_police | — | intermediate | |
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A and B can complete a certain work in 6 days and 8 days, respectively. They worked together for 3 days. C alone completed the remaining work in 2 days. B and C together can complete 3/4 of the same work in : pipeline-1139185
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delhi_police | — | intermediate | |
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A can complete a piece of work in 25 days while B can complete the same work in 30 days. They work on alternate basis, starting with A. Both A and B follow this pattern for 5 days and then A leaves the work. In how many days will B finish the remaining work? pipeline-1112529
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delhi_police | — | intermediate | |
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Suman and Lata, working together, can complete a task in 8 days. If Lata can complete the same task in 12 days, then how many days will Suman take to complete the same task? pipeline-1134503
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delhi_police | — | intermediate | |
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A, B, and C together can complete a work in x, 30, and 45 days, respectively. B and C worked together for 6 days. The remaining work was completed by A alone in 12 days. The value of x is: pipeline-1108878
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delhi_police | — | intermediate | |
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Rekha alone can complete a work in 16 days, and Bina alone can complete the same work in 12 days. Starting with Rekha, they work on alternate days. The total work will be completed in: pipeline-1112526
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delhi_police | — | intermediate | |
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A and B alone can do a piece of work in 7 days and 14 days respectively. In how many days the work will be completed if they both work on alternate days starting with A? pipeline-1097009
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delhi_police | — | intermediate | |
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A and B together complete a piece of work in x days by doing 9 hours/day. A alone can complete it in 10 days by doing 4.5 hr/day and B alone can complete it in 5 days by doing it 6 hr/day. Find the value of x. pipeline-1102598
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delhi_police | — | intermediate | |
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A can do a piece of work in 64 days. If B is 13.33% more efficient than A, then what is the number of days required by A and B together to do the same piece of work? pipeline-1082634
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delhi_police | — | intermediate | |
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B is thrice as efficient as A and C is 0.75 times as efficient as A. What is the ratio of the number of days taken by A, B, and C when they work individually? pipeline-1083896
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delhi_police | — | intermediate | |
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X can finish 25% of the work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together? pipeline-1082614
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delhi_police | — | intermediate | |
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P can do a work in 10 days. Q can do the same work in 15 days. If they work together for 5 days, how much of the work will they complete? pipeline-1083894
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delhi_police | — | intermediate | |
|
Mahesh, Suresh, and Raju together can complete a work in 18 days. Mahesh and Suresh together can complete the same work in 72 days. Raju alone can finish the same work in how many days? pipeline-1086493
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delhi_police | — | intermediate | |
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X can finish a work in 153 days, Y can finish a work in 255 and Z can finish the same piece of work in 340 days. How many days will they require to complete the work, if X, Y, and Z are working together? pipeline-1173056
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delhi_police | — | intermediate | |
|
A and B can finish a task in 180 days and B alone can be finished in 240 days. In how many days A can finish the whole work alone? pipeline-1192795
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delhi_police | — | intermediate | |
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In a printing press, Anil can print 1600 pages in 4 days by working 2 hours a day, then tell in how many days Anil and his friend Shweta alone can print four times the number of pages as Anil by working 8 hours a day if the efficiency of Shweta is equal to the efficiency of Anil. pipeline-1173147
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delhi_police | — | intermediate | |
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The efficiency ratio of A, B, and C is 3 : 2 : 4. If C alone can complete the work in 15 days, then in what time will A, B, and C together finish 3/4 part of the same work? pipeline-1192784
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delhi_police | — | intermediate | |
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A works thrice as fast as B. If B can complete a work in 256 days independently, then find the number of days in which A and B can together finish the work. pipeline-1154941
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delhi_police | — | intermediate | |
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A can complete a piece of work in 9 days. B and C can complete the same work in 12 days and 18 days, respectively. If A, B, and C work together, then in how many days will they complete the work? pipeline-1173042
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delhi_police | — | intermediate | |
|
Vicky can complete a piece of work in 40 days. He worked for 8 days, then Gurpreet Singh finished it in 32 days. In how many days can Vicky and Gurpreet Singh together complete the work? pipeline-1139370
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delhi_police | — | intermediate | |
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P can complete a task in 10 days working 6 hours a day. Q can complete the same task in 9 days working 10 hours a day. If both P and Q work together working 6 hours a day, then in how many days can they complete the task? pipeline-1145710
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delhi_police | — | intermediate | |
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Rinku is twice as efficient as Deepak and together, they finish a piece of work in 28 days. Rinku alone can finish the work in: pipeline-1145718
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delhi_police | — | intermediate | |
|
A,B and C together can complete a task in 16 days. After, three of them worked together for 2 days, A left. B and C continued for 9 more days and then B left. C completed the remaining work in 6 days. If C alone can complete the entire task in 24 days, then in how many days can B alone complete it? pipeline-1139385
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delhi_police | — | intermediate | |
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A, B, and C can independently complete the same task in 4, 6, and 12 days, respectively. In how many days will they be able to complete the same task if they work together? pipeline-1133780
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delhi_police | — | intermediate | |
|
A, B and C together can complete a work in 12 days. A as well as B alone can do the same work in 36 days. In how many days can C alone complete the same work? pipeline-1108577
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delhi_police | — | intermediate | |
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A can do 10% of a piece of work in one day and B can do 20% of the same work in one day. In how many days will they together complete the work? pipeline-1102170
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delhi_police | — | intermediate | |
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M is thrice as efficient as a workman as N and therefore is able to finish a job in 242 days less than N. Then N can finish the entire work in how many days? pipeline-1199173
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delhi_police | — | intermediate | |
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Aman and Rajan are working at a construction site. In an engineering experiment, Aman is constructing a wall, while Rajan is demolishing that wall. Aman can completely build the wall in 15 days, while Rajan will take 20 days to completely demolish the wall. In how many days will the complete wall be built for the first time if they work on alternate days, with Aman working on the 1st day? pipeline-1200733
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delhi_police | — | intermediate | |
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A and B can do a work in 10 days and 40 days, respectively. How long will it take together to complete the work? pipeline-1199172
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delhi_police | — | intermediate | |
|
A can complete the work in 12 days and B can do it in 15 days. They both started the work together and A left before 3 days of completion of the work. The total number of days to complete the work is ______ pipeline-1083798
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delhi_police | — | intermediate | |
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If D can do 10 percent of a work in 3 days, then D can complete the entire work in how many days? pipeline-1082825
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delhi_police | percentage | intermediate | |
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B alone can complete half of a work in 150 days. In 30 days what percentage of the work will be completed by B? pipeline-1082824
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delhi_police | percentage | intermediate | |
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A and B work together to complete 80% of the work in 6 days and the remaining work is completed by C in 3 days. If B can separately complete the work in 20 days, how many days will A and C together take to complete the work? pipeline-1157944
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delhi_police | — | intermediate | |
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P and Q together can complete a work in 30 days. Q and R together can complete the same work in 37.5 days. R and P together can complete the same work in 150 days. In how many days can all three complete the same work while working together? pipeline-1198725
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delhi_police | — | intermediate | |
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A & B, B & C, and C & A together can complete a piece of work in 10 days, 12 days, and 15 days respectively. How much time does C alone take to complete the work? pipeline-1173362
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delhi_police | — | intermediate | |
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A can do the work in 18 days and B in 24 days. If they work on it together for 5 days, then find the fraction of the work which is left. pipeline-1145902
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delhi_police | — | intermediate | |
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A can finish a work in 24 days and B in 30 days, individually. They work together for 11 days. The percentage of the work still to be finished will be: pipeline-1145907
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delhi_police | percentage | intermediate | |
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A can complete a certain work in 30 days. He started the work.,after 4 days B joined him and the whole work was completed in 10 days from the beginning. B alone can complete one-third of the same work in: pipeline-1140084
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delhi_police | — | intermediate | |
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P and Q can complete a work in 9 days and 15 days, respectively. If they work together for three days, then in how many days will the remaining work be completed by Q alone? pipeline-1134994
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delhi_police | — | intermediate | |
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A can complete a work in 10 days, B in 12 days, and C in 15 days. All of them began the work together, but A had to leave the work after 2 days of the start and B left 3 days before the completion of the work. In how many days was the work completed? pipeline-1133731
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delhi_police | — | intermediate |