(A) 3 days (X)
(B) 4 days (X)
(C) 6 days ()
(D) 8 days (X)
Answers: Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults four children joined them. How many days will they take to complete the remaining work 6 days.