Question

A can lay railway track between two given situation in 16 days and B can do the same job in 12 days.with help of C,they did the job in 4 days only,then C can do job in​

Answer 1

(A+B+C)'s 1 day's work =41

A's 1 day's work =161;

B's 1 day's work =121;

∴ C's 1 day's work =41−(161+121)=(41−487)=485

So, C alone can do the work in 548=953 days