Rules for Solving the Problems based on Time and Work

1) If a person can complete a work in *n* days, then in 1 day he does *nth* of the work. We have

2) If a person completes of a work in 1 day, then he requires *n* number of days to complete the work

3) If part of the work has been done and the remaining part of the work has to be done by a person A, then

4) If times as good ·a workman as , then

*i) Ratio of work done by in the same time *
* ii) Ratio of time taken by to finish the work *

5) If some persons work together to do a piece of work, then the money paid to them is divided among them in the ratio of their one day’s (or one hour’s) work.

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