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Time and Work Test 4
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Time and Work Test 4
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  • Question 1/30
    1 / -0

    Directions For Questions

    13(3/4) days

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    A alone can complete a work in 16 days and B alone in 12 days. Starting with A, they work on alternate days. The total work will be completed in?
    Solutions
    13(3/4) days
  • Question 2/30
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    Directions For Questions

    6

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    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?
    Solutions
    6
  • Question 3/30
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    Directions For Questions

    30 days

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    A can do a piece of work in 80days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. the two teogether could complete the work in ?
    Solutions
    30 days
  • Question 4/30
    1 / -0

    Directions For Questions

    55/4 days

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    A alone can complete a work in 16 days and B alone in 12 days. starting with A they work on alternate days. The total work will be completed in ?
    Solutions
    55/4 days
  • Question 5/30
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    Directions For Questions

    5 5/11

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    P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?
    Solutions
    5 5/11
  • Question 6/30
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    Directions For Questions

    4 days

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    If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days the time taken by 15 men and 20 boys in doing the same type of work will be ?
    Solutions
    4 days
  • Question 7/30
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    Directions For Questions

    rt/t 24 r

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    one man can paint a home in 'r' days and another man can do it in 't' hours. If they can together do it in 'd' days, then 'd' is given by ?
    Solutions
    rt/t 24 r
  • Question 8/30
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    Directions For Questions

    15

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    Two workers A and B manufactured a batch of identical parts. A worked for 2 hours and B worked for 5 hours and they completed half the job. Then they worked together for another 3 hours and they had to do (1/20)th of the job. How many hours time does B take to complete the job, if he worked alone?
    Solutions
    15
  • Question 9/30
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    Directions For Questions

    15

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    When Abhinav and Bipul are working alone, they can complete a piece of work in 25 days and 30 days respectively. On day 1, Bipul started the work and Abhinav joined B from day 3 on-wards. Find after how many days will the work be completed?
    Solutions
    15
  • Question 10/30
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    Directions For Questions

    13

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    39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
    Solutions
    13
  • Question 11/30
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    Directions For Questions

    1:00 P.M.

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    A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work to print one lakh books be finished ?
    Solutions
    1:00 P.M.
  • Question 12/30
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    Directions For Questions

    6 hrs

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    One tap can fill a cistern in 2 hours and another tap can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?
    Solutions
    6 hrs
  • Question 13/30
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    Directions For Questions

    8 min. 15sec

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    Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively if both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket ?
    Solutions
    8 min. 15sec
  • Question 14/30
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    Directions For Questions

    5/24

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    kabir and dinesh can design an application software in 16 hours and 12 hours respectively. kabir joins dinesh 4 hours before completing the design, kabir had started the design work alone. Find how many days dinesh has worked alone ?
    Solutions
    5/24
  • Question 15/30
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    Directions For Questions

    25 days

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    A, B and C together can complete a piece of work in 10 days. All the three started working at it together and after 4 days A left. Then B and C together completed the work in 10 more days. A alone could complete the work in?
    Solutions
    25 days
  • Question 16/30
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    Directions For Questions

    7

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    10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
    Solutions
    7
  • Question 17/30
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    Directions For Questions

    3x3/5 minutes

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    A tyre has punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat?
    Solutions
    3x3/5 minutes
  • Question 18/30
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    Directions For Questions

    15

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    A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?
    Solutions
    15
  • Question 19/30
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    Directions For Questions

    40

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    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 ?
    Solutions
    40
  • Question 20/30
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    Directions For Questions

    11

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    A and B can do a job together in 7 days. A is 13/4 times as efficient as B. The same job can be done by A alone in :
    Solutions
    11
  • Question 21/30
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    Directions For Questions

    2

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    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 ?
    Solutions
    2
  • Question 22/30
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    Directions For Questions

    60 days

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    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 ws done by A alone in 20 more days. A alone can finish the work in  ?
    Solutions
    60 days
  • Question 23/30
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    Directions For Questions

    4 days

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    A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is?
    Solutions
    4 days
  • Question 24/30
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    Directions For Questions

    Rs. 120

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    If A can do 1/4 of a work in 3 days and B can do 1/6 of the same  in work in 4 days, how much will A get if both work together and are paid Rs. 180 in all?
    Solutions
    Rs. 120
  • Question 25/30
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    Directions For Questions

    7

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    10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
    Solutions
    7
  • Question 26/30
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    Directions For Questions

    170 minutes

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    In Nuts And Bolts factory, one machine produces only nuts at the rate of 100 nuts per minute and needs to be cleaned for 5 minutes after production of every 1000 nuts. Another machine produces only bolts at the rate of 75 bolts per minute and needs to cleaned for10 minutes after production of every 1500 bolts. If both the machines start production at the same time, what is the minimum duration required for  producing 9000 pairs of nuts and bolts?
    Solutions
    170 minutes
  • Question 27/30
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    Directions For Questions

    6 days

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    A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work ?
    Solutions
    6 days
  • Question 28/30
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    Directions For Questions

    8 days

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    A ,B and C can do a piece of work in 11 days, 20 days nd 55 days respectively working alone. How soon can the work be done. If A is assisted by B and C on alternate days ?
    Solutions
    8 days
  • Question 29/30
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    Directions For Questions

    24

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    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 ?
    Solutions
    24
  • Question 30/30
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    Directions For Questions

    6

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    A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
    Solutions
    6
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