Q261
A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is completed by C in 3 days, then in how many days can C do the same work alone ?
A.
10 days
B.
9 days
AnswerC.
12 days
D.
15 days
Answer: Option B
Solution
Answer: Option B
Solution:
L.C.M. of Total Work =60 unitOne day work of A = = 5 unit/day
One day work of B = = 3 unit/day