A contractor undertook to do a piece of work in 9 days. He employed certain number of laboures but 6 of them were absent from the very first day and the rest could finish the work in only 15 days. Find the number of men originally employed . Choose one
A) 15
B) 6
C) 13
D) 9
E) none of these

Rationale: let the number of men originally employed be x . 9 x = 15 ( x – 6 ) or x = 15 answer a
Answer: A