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Aptitude - Time and Work

@ : Home > Aptitude > Time and Work > Important Formulas

Overview

  • Important Formulas

Exercise

"Life is like riding a bicycle. To keep your balance you must keep moving."
- Albert Einstein

  1. Work from Days:

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

  2. Days from Work:

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

  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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