question_answer

315 workers were engaged to finish a piece of work in a fixed number of days. Four workers were dropped the second day, four more workers were dropped the third day and so on. Thus, it took 8 more days to complete the work. Find the number of days in which the work was completed.

A) 33     

B)                                                        42     

C)    36     

D)                                            39

E) None of these