## Arithmatical - Time and Work

Important Facts and Formulae

1. |
If A can do a piece of work in n days, then A’s 1 day’s |
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2. |
If A's 1 day's work = 1 / n, then A can finish the work in n days. |
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3. |
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. |
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