**Home » Aptitude Formulas » Time and Work Important formulas**

**Time and Work Important formulas:**

**Work from Days:**

If A can do a piece of work in n days, then A’s 1 day’s work = 1/ n

**Days from Work:**

If A’s 1 day’s work = 1/n , then A can finish the work in n days.

Ratio:

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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