Avi and Barun can complete a work in 24 days and 36 days, respectively. They worked together for 4 days after which Barun was replaced by Chetan and the remaining work was completed by Avi and Chetan in the next 4 days. In how many days will Chetan alone complete 5/9 of the same work?
1
5 days
2
4 days
3
8 days
4
2 days