Question

A can do a piece of work in 15 days and B can do the same
work in 18 days how many days will they take to finish the same work together​

Answer 1

Answer:

So, remaining 5 days work is pending. This is 5/15 = 1/3rd of work. a can finish the work in 18 days. So, 1/3rd of work can be done in 18 × 1/3 = 6 days.