Question 446358
person I	6	days				
He does 	  1/ 6	of the job in 1 day 			
Person II	3	days				
He does 	  1/ 3	of thejob in 1 	day 			
Person III	2	days				
He does 	 1/2	of the job in 1 day 			
						
Together they will do  1/6+ 1/12+ 1/2
Together they will do  3/ 4of the job in one day 
So they will take 1 1/3	day