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Aptitude::Time and Work

Home > Arithmetic Aptitude > Time and Work > Important Formulas

Important Formulas


  1. To Find Work from Days:

    If A can do a piece of work in 'n' days, then A's 1 day's work =   1/n.
  2. To Find Days from Work:

    If A's 1 day's work =1/n   , then A can Finish the work in n days.
  3. To Get 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.