A machine X can print one lakh books in 8 hours, machine Y can print the same number of books in 10 hours while machine Z can print them in 12 hours. All the machines are started at 8 A.M. while the machine X is closed at 10 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished?
1
1 : 00 P.M
2
12 noon
3
11:30 A.M
4
11:00 A.M