Question

2. A can do a piece of work in 30 days and B can do it in 20 days. They work together for 4 days and then B leaves the job. In how many days, will A finish the remaining work.​

Answer 1

can do a piece of work in 30 days and B can do it in 20 days. They work together for 4 days and then B leaves the job. To Find :- They work together for 4 days and then B leaves the job. ? → LCM of 30 and 20 = 60 units = Let total work .