SOLUTION: In a factory , 10 workers were engaged to finish a piece of work in a certain number of days. however if one worker is dropped everyday , except the first day it will take one more

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Question 903776: In a factory , 10 workers were engaged to finish a piece of work in a certain number of days. however if one worker is dropped everyday , except the first day it will take one more day to finish the work. the number of days in which the work was to be completed are
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
they were contracted to finish in 4 days 10*4=40 man days
but it took 5 days since they lost a worker every day
so on the 4th day
day workers man days
1 10 10
2 9 19
3 8 27
4 7 34
5 6 40
equivalent to 10 workers for 4 days