Q195
A started a ,work and left after working for 2 days. Then B was called and he finished the work in 9 days. had A left the work after working for 3 days, B would have finished the remaining work in 6 days. In how many days can each of them, working alone, finish the whole work ?
A.
2.5 days, 7.5 days
B.
5 days, 8.5 days
C.
5 days, 15 days
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
Suppose A takes x days to finish the work alone and B take y days to finish the work alone.Hence, A alone takes 5 days while B alone takes 15 days to finish the work.