List of questions for Aptitude - Aptitude-Time and works [See all categories]
Question Id Question
34133 12 children take 16 days to complete a work which can be completed by 8 adults in 12 days. 16 adults started working and after 3 days 10 adults left and 4 children joined them. How many days will it take them to complete the remaining work?   Show options

   6
   8
   4
   3


Answer.   6
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34123 A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same work in ?   Show options

   42 days
   84 days
   72 days
   96 days


Answer.   84 days
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34115 A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in ?   Show options

   6(1/2) days
   8(1/2) days
   7(1/2) days
   9(1/2) days


Answer.   7(1/2) days
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34103 Twelve men can complete a work in 8 days. Three days after they started the work, 3 more men joined. In how many days will all of them together complete the remaining work?   Show options

   2
   4
   5
   6


Answer.   4
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34097 A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes in 13 days. In how many days C alone will do the work?   Show options

   16
   24
   36
   48


Answer.   24
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34094 If Ramesh, Suresh and Harish can do a piece of work in 15 days, 10 days and 6 days respectiVelY how long will they take to do it, if all the three work at it together ?   Show options

   3 days
   3 * (9/20) days
   3 and half days
   3 * (3/20) days


Answer.   3 days
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34086 A and B can dO a Piece of work in 5 days ;B and c can do it in 7 day; A and C can do it in 4 days. Who among these will take the least time if put to do it alone ?   Show options

   A
   B
   C
   Data inadequate


Answer.   A
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34080  A and B can separately do a piece of work in 20 and 15 days respectively. They worked together for 6 days, after which B was replaced by C. If the work was finished in next 4 days, then the number of days in which C alone could do the work will be ?   Show options

   60
   35
   40
   30


Answer.   40
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34074 45 men can complete a work in 16 days. Six days after they started working, 30 more men joined them. How many days will they now take to complete the remaining work ?   Show options

   4
   5
   6
   8


Answer.   6
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34069 A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B alone can do the whole work in ?   Show options

   12 days
   20 days
   15 days
   30 days


Answer.   15 days
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34062 A job is completed by 10 men in 20 days and by 20 women in 15 days. How many days will it take for 5 men and 10 women to finish that work?   Show options

   17 and (1/2)
   17
   17 and (1/7)
   17 and (1/120)


Answer.   17 and (1/7)
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34057 A can do a piece of work in 7 days of 9 hours each and B can do it in 6 days of 7 hours each. How long will they take to do it, working together 8*(2/5) hours a day?   Show options

   3 days
   4 days
   5 days
   None of these


Answer.   3 days
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34054 A piece of work can be done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days. It can be done by 9 men and 15 women in ?   Show options

   1 day
   2 days
   3 days
   4 days


Answer.   3 days
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34032 A can do a piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it ?   Show options

   17.14
   27.14
   42.75
   70


Answer.   17.14
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34018 A can do a certain job in 12 days. B is 60% more efficient than A. The number of days, it takes B to do the same piece of work, is ?   Show options

   6
   7 * (1/2)
   6 * (1/4)
   8


Answer.   7 * (1/2)
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34010 A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it ?   Show options

   30 days
   40 days
   35 days
   None of these


Answer.   30 days
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34005 A and B can do a piece of work in 72 days, B and C can do it in 120 days. A and C can do it in 90 days. In what time can A alone do it?   Show options

   150 days
   100 days
   120 days
   80 days


Answer.   120 days
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33998 A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. The two together could complete the work in ?   Show options

   24 days
   30 days
   25 days
   35 days


Answer.   30 days
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33993 Ram can do a piece of work in 8 days which Shyam can finish in 12 days. If they work at it on alternate days with Ram beginning, in how many days, the work will be finished ?   Show options

   9 and 1/3
   9 and 1/24
   9 and 1/2
   10 and 1/3


Answer.   9 and 1/2
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33984  A does half as much work as B and C does half as much work as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in ?   Show options

   13 and 1/3 days
   20 days
   15 days
   30 days


Answer.   13 and 1/3 days
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33976 A can do of the work in 5 days and B can do of the work in 10 days. In how many days both A and B together can do the work ?   Show options

   7 and (3/4) days
   9 and (3/8)
   8 and (4/5)
   10


Answer.   9 and (3/8)
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33970 A and B can together finish a work in 30 days. They worked at it for 20 days and then B left. The remaining work was done by A alone in 20 more days. A alone can finish the work in ?   Show options

   48
   50
   54
   60


Answer.   60
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33967 4 men and 6 women finish a job in 8 days, while 3 men and 7 women finish it in 10 days. In how many days will 10 women working together finish it ?   Show options

   24
   36
   32
   40


Answer.   40
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33963 A father can do. a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, how many hours does it take the father to do the job ?   Show options

   1
   2
   3
   4


Answer.   2
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Showing 301 to 324 of 324 (13 Pages)