Cluster · Time and Work Problems

d
Clusters / #1207
tight score 0.00

Time and Work Problems
Questions
597
Questions in this cluster
597 total
Question Category Subtype Difficulty

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
ib intermediate

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

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
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
delhi_police intermediate

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
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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
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
delhi_police intermediate

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
delhi_police intermediate

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
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
delhi_police intermediate

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
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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
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
delhi_police intermediate

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
delhi_police percentage intermediate

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
delhi_police percentage intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police percentage intermediate

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
delhi_police intermediate

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
delhi_police intermediate

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
delhi_police intermediate
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