A can lay railway track between two given stations in 16 days and B c…

Question

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in ?

Accepted Answer

Option C. 93/5 days. Answer & Solution Answer: Option C Solution: & ( A + B + C ) 's 1 day's work = 1/4 & A's 1 day's work = 116 & B's 1 day's work = 112 & C's 1 day's work & = 1/4 - ( 116 + 112 ) & = ( 1/4 - 748 ) & = 548 & So, C alone can do the work in & = 485 & = 93/5 days