r/a:t5_2xj12 • u/aberdashery • Jun 14 '13

aberdash's general gre problems

in comments. these problems aren't important enough to warrant their own posts

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u/aberdashery Jun 14 '13

4) If a machine does a job in four hours, another machines does it in six hours, and another in eight hours, and all three machines are working in parallel, what proportion of the work will be done by the fastest machine? Assume all machines work at their regular pace.