Arun can dig (1/m) part of field in 20 hours, while Arun and Bhanu together dig complete field in 60 hours, then find how many parts of field Bhanu can did alone in 20 hours?
1
(m-3)/3m days
2
(3-m)/2m days
3
(m-2)/3m days
4
(m+3)/3m days
Arun can dig (1/m) part of field in 20 hours, while Arun and Bhanu together dig complete field in 60 hours, then find how many parts of field Bhanu can did alone in 20 hours?
(m-2)/3m days
(m+3)/3m days