If 21 WOMen and 12 men can finish the work in 42 days.How many men should accompany 42 women to that the work will be completed in ten and half days???
Options:
(A) 40
(B) 45
(C) 50
(D) 60
(E) 15 Now, let's think a bit. Some random thoughts:
15 men using chain rul
The final answer: (E).