Question

Trains to Portadown leave a train station every 28 minutes. Trains to Portrush leave a train station every 16 minutes! A train to Portadown and a train to Portrush both leave the train station at 8am.
When will a train to Portadown and a train to Portrush both leave the train station! at the same time?

Answer 1

Answer:

their meeting point is after 112 minute

that is they will again leave the station together at 9:12am