Q237
18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days will 4 men, 9 women and 12 children together take to complete the piece of work if 7 children alone can complete the piece of work in 486 days ?
A.
54 days
B.
63 days
C.
76 days
D.
81 days
AnswerE.
None of these
Answer: Option D
Solution
Answer: Option D
Solution:
(4 men + 9 women + 12 children)'s 1 day's work
Hence, 4 mens , 9 women and 12 children together will complete the work in 81 days.