JEE Main Mathematics question
workers were engaged to finish a piece of work in a certain number of days. workers dropped the second day, more workers dropped the third day and so on. It takes eight more days to finish the work now. The number of days in which the work was completed is
Answer: (C)
Solution
Let the planned time be days, so the work is worker-days; with the drop-outs it takes days, and the workers on day number . The work done in days
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account