X and Y work on a job together for four days and complete 60% of it. X takes leave and then Y works for 8 more days to complete the job. How long X will take to complete the entire job alone ?

X and Y work on a job together for four days and complete 60% of it. X

1.	X and Y work on a job together for four days and complete 60% of it. X takes leave and then Y works for 8 more days to complete the job. How long X will take to complete the entire job alone ?
A.	6 days
B.	8 days
C.	10 days
D.	11 days
Answer» D. 11 days