1/15 + 1/25 = 8/75
75/8 = 9 3/8 days
Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?
Options:
1. 9 3/6
2. 9 3/4
3. 9 3/8
4. 5 3/2
5. 9 3/2