Number System - Time & Work

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

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

3. If A is twice as good a workmen as B, then

   • Ratio of work done by A and B in the same time = 2:1

   • Ratio of time taken by A and B in doing the same work = 1:2

Solved Examples

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