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Question 1
A job is to be finished in 56 days. 78 men start the work, each working 8 hours a day. After 30 days, 1/3 th of the work is finished. How many additional men need to be hired to complete the work on time given that each man now works 9 hours a day?
Question 2
A and B together can do a piece of work in 60 days, A and C can do the same work in 45 days. The ratio of Work efficiency of B and C is 1:2 respectively. In how many days they together can do the same work?
Question 3
Shankha, Rahul and Sagnik can separately complete a work in 15, 24 and 30 days respectively. They started to complete the same amount of work in together. After 5 days of starting, Shankha left the workplace. And, Rahul left the work 2 days before the completion of the work. In how many days, will the total work be completed?
Question 4
A job can be completed by a person A alone in 24 days and by another person B alone in 40 days. A and B work on the job together and C works with them for 6 days. The three completed the job in 12 days. In how many days can C alone complete the job?
Question 5
If 80 men can build a wall 300 m length in 30 days then how many men will take 24 days to build a wall of 102 m length?
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