Question

Bus A and Bus B leave the bus depot at 5 pm.
Bus A takes 30 minutes to do its route and bus B takes 35 minutes to complete its route.
At what time are they both back at the bus depot together?
Give your answer as a 12-hour clock time.

Answer 1

Answer:

if buses starts at 0 am ( 12 am ) 6 am

Step-by-step explanation:

after bus A completes 6 rounds

Answer 2

Given :

Deporting time of Bus A and Bus B = 5 pm

Time taken by bus A to complete its route = 30 min

and , time taken by bus B to complete its route = 35 min

To find :

Time at which both bus back at the bus depot together .

Solution :

The HCF of the times taken to complete their routes will give the time at which they will be together .

HCF of 30 and 35 is 210 .

The buses will come together after 210 minutes of their deporting time .

210 minutes = 3 hours and 30 minutes

The time at which both bus back at the bus depot together

=  ( 5:00 + 3:30 )

= 8:30 pm