K can lay Highway road between two cities in 16 days. L can do the same job in 12 days. With the help of M, they completes the job in 4 days. How much days does it take for M alone to complete the work ?

A) 47/7 days

B) 59/6 days

C) 48/5 days

D) 57/5 days

View Answer
Option – C.