CBSE Class 8 Answered
alone can finish a piece of work in 15 days and B alone can finish the same work in 10 days how much time will they take if they work together
In 1 day A can do 1/15 of the work.
In 1 day B can do 1/10 of the work
Working together in one day they can do 1/X of the work,
They will complete the work togerther in 6 days.