Time and Work Formulas :

1.Work from Days:
If A can do a piece of work in n days, then A’s 1 day’s work = time and work .

2.Days from Work:
If A’s 1 day’s work = time and work ,then A can finish the work in ‘n’ days.

3.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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