A can finish a job in 12 days while B can finish the same job in 15 days. How much time will they take, if both A and B work together?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

A can finish the job in 12 days.

Therefore, in 1 day A can finish part of work.

B can finish the job in 15 days.

Therefore, in 1 day B can finish part of work.

If they work together,

In 1 day they will complete, part of work.

Now

Thus, both will complete the work in days that is days.

Answered by  | 4th Jun, 2014, 03:23: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.