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Quantitative Aptitude :: Time and Work Formulas

Time and Work Questions and Answers

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

2. Days from Work:
    If A's 1 day's work =    1/a    ,    then A can finish the work in a 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.

* If a man can do a work in 10 days, he will do 1/10 of the work in 1 day.
* If 1/10 of the work done in 1 day of the entire work, he takes 10 days to complete the work.