Time and Work Set 2

If P can do 1/3 of the work in 5 days and Q can do

A total of 960 rupees is given to three people A, B and C. A and B together can complete 7/12 and C and B together can complete 5/12. So, how much amount should be given to A.

Three printing press P, Q and R can print 1 lack books in 5 hrs, 15 hrs and 10 hrs respectively. If all the press starts at 10 am and press R is stopped after 2 hrs then at what time work will be complete.

Arun can do a piece of work in 30 days. Rohan who is 40% more efficient than arun can finish the work in how many days.

A can finish a work in 15 days and B can finish the work in 25 days. Both of them start working together but B leaves the work 3 days prior to the completion. After how many days B quit the work.

A contractor undertook a job and employed 40 men to do a piece of work in 80 days. But after 60 days he found that only 3/5 of the work is completed. To complete the work in time, how many more men he should employ.

P, Q and R can complete a piece of work in 9, 18 and 27 days respectively. After 1/3 work is completed P left the work and the remaining work is completed by Q and R together. Find the days required to complete the remaining work.

P does half as much work as Q does in 1/5 of the time. Both working together can take 20 days to complete the work. No of days P take to complete the work alone.

A project manager hired 16 men to complete a project in 40 days. However after 30 days he realized that only 4/9 th of the work is complete. How many more men does he need to hire to complete the project on time ?

20 men can complete a piece of work in 15days and 12 women can complete the same piece of work in 24 days. What is the ratio of amount of work done by 30 men in oneday to the amount of work done by 16 women in 1 day ?