Q71
A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:
A.
15 days
B.
20 days
C.
25 days
AnswerD.
30 days
Answer: Option C
Solution
Answer: Option C
Solution: