Q124
Work done by A in one day is half of the work done by B in one day. Work done by B is half of the work done by C in one day. If C alone can complete the work in 7 days, in how many days can A, B and C together complete the work ?
A.
4 days
AnswerB.
14 days
C.
21 days
D.
28 days
E.
None of these
Answer: Option A
Solution
Answer: Option A
Solution:
Hence, A, B and C together can complete the work in 4 days.