Q158
A can build a wall in the same time in which B and C together can do it. If A and B together can do it. If A and B together could do it in 25 days and C alone in 35 days, in what time could B alone do it ?
A.
91 days
B.
100 days
C.
175 days
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
Also, A's 1 day's work = (B + C)'s 1 day's work.....(ii)