Question

Bus A and Bus B leave the bus depot at 8 am.

Bus A takes 25 minutes to complete its route once and bus B takes 35 minutes to complete its route once.
If both buses continue to repeat their route, at what time will they be back at the bus depot together?
Assume the buses have no breaks in between routes.
Give your answer as a 12-hour clock time. plese help me quickly.

Answer 1

bus A takes 25 mins

bus B takes 35 mins

start at 8am

to find =lcm of 25 and 35

LCM of 25 and 35

5 /__25,35

/__5,7

LCM=5×5×7

=175 mins=8hr+175mins=10:55am