Murali and Sai can complete a job in 20 days and 30 days respectively. Two days after they start the job, Murali leaves and Sai completes the remining job. In how many days can Sai complete the remaining job ?

M and N can complete a job in 120 days and 180 days respectively. M started the job and after 60 days N joined M and they completed the remaining part of the job working together.In how many days was the job completed?

M and N can complete a job in 120 days and 180 days respectively. M started the job and after 60 days N joined M and they completed the remaining part of the job working together.In how many days was the job completed?

M and N can complete a job in 18 days and 20 days, respectively. They worked on it on alternative days starting with M. Find the time taken to comlete it (in day)

If 20 men take 30 days to complete a job, in how many days can 25 men complete the job?

If 20 men take 30 days to complete a job, in how many days can 25 men complete the job?

If 20 men take 30 days to complete a job, in how many days can 25 men complete the job?

P,Q and R can complete a job in 20 days, 30 and 40 days respectiely. They started working on it. Q and R left afte working for certain number of days and P alone completed the remaing work 7 days. Find the time taken to complete the job (in days)