Time and Work Introduction : Working Time: The total number of days it takes to complete a piece of work is called working time. Ex: If A can do a piece of work in 20 days, then the working time Read More …
Time and Work Introduction : Working Time: The total number of days it takes to complete a piece of work is called working time. Ex: If A can do a piece of work in 20 days, then the working time Read More …