Question (33/50)
Sam can do a piece of work in 20 days. Tarzan is 25% more efficient than Sam. How many days would Tarzan take to finish the same piece of work ?(A) 13 Days
(B) 14 Days
(C) 15 Days
(D) 16 Days
Question (34/50)
A and B can do a job together in 7 days. A is `1 1/3` times as efficient as B. The same job can be done by A alone in how many days ?(A) 9 Days
(B) 11 Days
(C) 12 Days
(D) 16 Days