A can do a job in 16 days, B can do same job in 12 days. With the help of C they did the job in 4 days. C
alone can do the same job in how many days ?
Choices:  A) 612days  B) 712days  C) 835days  D) 935days  E) None of these
Explanation:   In this question we having, A's work, B's work and A+B+C work. We need to calculate C's work.   We can do it by,   (A+B+C)'s work - (A's work + B's work)   Let's solve it now:   C's 1 day work =   14−(116+112)=(14−748)=548   So C can alone finish the job in 48/5 days,   Which is =   935days   Answer: 935days
<result>D</result>
A can do a job in 16 days, B can do same job in 12 days. With the help of C they did the job in 4 days. C
alone can do the same job in how many days ?