Correct option is C
Given:
A can do 87.5% of the work in 35 days.
B can do 65% of the work in 23.4 days.
Solution:
A's Work
87.5% = of work in 35 days
So full work = 35 × () = 40 days
A's 1 day work =
B's Work
65% = of work in 23.4 days
So full work = = 36 days
B's 1 day work =
Combined 1 day work
The fraction of work completed by A and B together in 1 day is .