Time and Work :-

Here Some Basic Formulas/Rules Are given below :-

If A can do a piece of Work in n days, then A's 1 day's work = ^{1}/_{n}

If A's 1 day's work = ^{1}/_{n}, then A can finish the work in n days.

If A is thrice as good a workman as B, then Ratio of work done by A and B = 3 : 1. Ratio of times taken by A and B to finish a work = 1 : 3.