In this post we will cover the topic of solving problmes on work done together by 2 or more persons only or 2 or more machines or questions on combination of person and machines. In an earlier post work-and-time-problem-solving-tricks I have provided all the formulas that can be used for solving the time and effort problems.
In this post we will not use the formula but will try to understand the concept and will take examples to solve these problems
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