Question
A, B, and C can finish work in 5 days, 10 days, and 15 days, respectively, working alone. A and B work on the first day, A and C work on the second day, A and B work on the third day, and so on till the work is completed. In how many days the work will be completed?
Working fashion=(A+B) + (A+C) +(A+B) …. Working in 2days = (6+3+6+2) =17 3days =17+9=26unit Remaining work =30-26=4unit Remaining work 4units is done by (A+C) 4days =4/8=1/2 days Total days= 3+1/2=7/2days .More Time and work Questions
- A can finish a work in 25 days and B can complete the same work in 10 days. B worked for 5 days and left the job. In how many days can A alone finish the r...
- A man alone can do a work in 25 days. A woman can complete half of the same work in 20 days. In how many days can they complete 90% of the work together?
- Deepak and Deepti with each other can complete a work in 60 days, Deepti and Danny in 90 days and Deepak and Danny in 90 days. In how many days can Deepak...
- 1 man and 3 boys can together complete a work in 20 days. 2 men and 3 boys can together complete the same work in 15 days. Find the time taken by 6 boys to...
- Three machines P,Q and R were hired by a company for a month. Machine P runs 18 hours for 15 days, machine Q runs 20 hours for 18 days and machine R runs 2...
- 'A' and 'B' together can do a piece of work in 12 days while 'B' and 'C' together can do the same work in 18 days. 'A' started the work alone and worked on...
- A can copy 60 pages in 12 hours, A and B together can copy 120 pages in 20 hours. Then in how many hours B can copy 11 pages.
- If 15 women or 18 men or 12 boys can do a piece of work in 18 days of 10 hours each, find how many boys assisted by 5 women and 6 men will finish the same ...
- Ajay and Vijay can finish a task in 9 days working together. Charu, who is twice as efficient as Vijay, can complete the task alone in 18 days. If Ajay and...
- A and B can jointly finish a task in 42 days, while B and C together take 35 days to finish the same task. If B can finish the task alone in 105 days, how ...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
