Q301
Open question30 men working 8 hours per day can dig a pond in 16 days. By working how many hours per day can 32 men dig the same pond, in 20 days?
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Aptitude · all questionsTime And Work
Time And Work
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Q302
Open question25 men can complete a task in 16 days. Four days after they started working, 5 more men, with equal workmanship, joined them. How many days will be needed by all to complete the remaining task?
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Q303
Open questionA and B separately can build a wall in 12 and 16 days, respectively. If they work for each day alternatively, starting with A, in how many days will the wall be built?
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Q304
Open question3 men and 8 women can complete a work in days. While 9 men and 12 women can complete it in days. In how many days will 15 women complete it?
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Q305
Open questionIf 27 people, working 8 hours a day, can complete a task in 12 days, then in how many days will 18 people finish the task, working 9 hours a day?
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Q306
Open questionA can do 40% of a work in 12 days, whereas B can do 60% of the same work in 15 days. Both work together for 10 days. C completes the remaining work alone in 4 days. A, B and C together will complete 28% of the same work in∶
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Q307
Open questionA can complete work in 25 days and B can complete the same work in 20 days. They started the work together but B left after 4 days and A continued to work. In how many days will the entire work be completed?
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Q308
Open questionP and Q together can do a work in 12 days. P alone can do the same work in 36 days. In how many days can Q alone complete two-third part of the same work?
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Q309
Open questionA can finish a piece of work in a certain number of days. B takes 45% more number of days to finish the same work independently. They worked together for 58 days and then the remaining work was done by B alone in 29 days. In how many days could A have completed the work, had he worked alone?
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Q310
Open question20 man can finish a work in 30 days. They started working, but 4 men left the work after 10 days. In how many days would the work be completed?
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Q311
Open questionTo do a certain work, the ratio of efficiency of A to that of B is 3 : 7. Working together, they can complete the work in days. They work together for 8 days. 60% of the remaining work will be completed by A alone in:
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Q312
Open question3 men and 4 women can do a piece of work in 7 days, whereas 2 men and 1 woman can do it in 14 days. 7 women will complete the same work in:
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Q313
Open questionTo do a certain work, the ratio of the efficiencies of X and Y is 5 : 4. Working together, they can complete the same work in 10 days. Y alone starts the work and leaves after 5 days. The remaining work will be completed by X alone in:
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Q314
Open questionA contractor decided to complete a work in 80 days and employed 60 men at the beginning and 20 men additionally after 20 days and got the work completed as per schedule. If he had not employed, the additional men, how many extra days would he have needed to complete the work (round off to the nearest integer)?
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Q315
Open questionA can do piece of work in 15 days. B is 25% more efficient than A, and C is 40% more efficient than B, A and C work together for 3 days and then C leaves. A and B together will complete the remaining work in:
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Q316
Open questionA and B can do a piece of work in 18 days. B and C together can do it in 30 days. If A is twice as good a workman as C, find the how many days B alone can do the work?
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Q317
Open questionTo do a certain work, the ratio of the efficiencies of A and B is 7 : 5. Working together, they can complete the same work in days. A alone will complete 60% of the same work in:
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Q318
Open questionA is as efficient as B and C together. Working together A and B can complete a work in 36 days and C alone can complete it in 60 days. A and C work together for 10 days. B alone will complete the remaining work in:
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Q319
Open questionA, B and C can complete a piece of work separately in 10, 20 and 40 days, respectively. In how many days will the work be completed if A is assisted by both B and C every third day?
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Q320
Open questionA tyre has 3 punctures. The first puncture alone would have made the tyre flat in 9 minutes, the second alone would have done it in 18 minutes, the third alone would have done it in 6 minutes. If the air leaks out at a constant rate, then how long (in minutes) does it take for all the punctures together to make it flat?
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