[" 1.If Ram and Raman can do a job in "12" days and "18" days,respectively.How many days would they take to "],[" complete the job altogether? "]

A,B andC can do a job working alone in 12, 16 and 24 days, respectively.In how many days, they can do the job, if they worked together?

A can do a job in 12 days and B can do the same job in 6 days, in how many days working together they can complete the job?

P can do a job in 12 days and Q can do the same job in 6 days, in how many days working together they can complete the job?

A and B can do a job in 12 days, B and C in 15 days and C and A in 20 days. How long would A take to do that work?

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 ?

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 ?