A machine M can print one lakh magazines in 8 hours, machine M2 can print the same number of magazines in 10 hours while machine M3 can print them in 12 hours. All the machines are started at 9 A.M. while machine M is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will be taken to print one lakh magazines?
Please select and elaborate why?
