Question (9/50)
Three men, four women and six children can complete a work in 7 days. A woman does double the work a man does and a child does half the work a man does. How many women alone can complete same work in 7 days ?(A)  7
(B)  8
(C)  9
(D)  10
Question (10/50)
Twelve men complete a work in 9 days. After they have worked for 6 days, six more men join them. How many days they take to complete the remaining work ?(A)  2 Days
(B)  3 Days
(C)  4 Days
(D)  5 Days