Question

25. Buses from New York City to Albany leave New

York City every hour on the hour and buses from
Albany to New York City leave Albany every
hour on the half hour. All the buses in both
directions travel on the same highway and take
exactly 3 hours to reach their destination. Buses
in both directions run 24 hours a day and every
day of the year. A bus leaving New York City
and going to Albany will pass how many buses
leaving Albany and going to New York City
along the way?

Answer 1

12.

Explanation:

During the previous 3 hours before the New York bus leaves, 6 buses would have left Albany so the New York bus will pass them on the way.

Also 6 buses will leave Albany during the three hours of travel,

Tha answer is 6 + 6 = 12.