Question

At a bus station, buses begin their route at 6:00 am. The schedule for two of the buses is based on the time intervals listed below

-Bus A has a long route and leaves the station every 75 minutes
-Bus B has a long route and leaves the station every 15 minutes

What is the next time Bus A and Bus B will leave the bus station at the same time?

(Choices)
A 7:00AM
B 7.15AM
C 7:30AM
D 8:30AM

Answer 1

B

Explanation:

Bus A and B leave at 6:00 am (First bus of the day).

The schedule for Bus A and B are as follows:

Bus A: 6:00 am --> 7:15 am --> 8:30 am

Bus B: 6:00 am --> 6:15 am --> 6:30 am --> 6:45 am --> 7:00 am --> 7:15 am

As you can see, bus A and B leave the station together again at 7:15 am.

Hence, the answer is B.