Question

150 workers were engaged to finish a piece of work in a certain number of days. four workers dropped the second day, four more workers dropped the third day and so on. it takes 8 more days to finish the work now. find number of days in which the work was completed.

Answer 1

WELCOME TO OS :D
try this
https://answers.yahoo.com/question/index?qid=20130825012426AA6yKQh
Hope it helped :)

Answer 2

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