th part of the work is done by Harish in working 18 days. Number of the days to Harish complete the work.
=
18× = 33 days
Work done by Harish in one day =
Let Vishal takes “x” days to finish the work.
So, work done by Vishal in one day = $$1/x
Work done by Harish and Vishal in one day =
+ Work done by Harish and Vishal in 6 days =
6(+) According to the question,
6(+) =
+ =
=
− =
=
So, Vishal alone can finish the work in 22 days.