tsa question Watch
the village of Kandersteg and take the car-train to Goppenstein. Each train carries 70 cars and
the service runs every 12 minutes in each direction. The first trains leave at 05:00. Each train
takes 4 minutes to unload and 4 minutes to load. As many as 600 cars queue for these trains at
weekends. The train journey to Goppenstein takes 20 minutes.
Arriving at the Kandersteg queue at 16:55, John is told that there will be 420 cars queuing ahead
of him once the next train has left. The service continues to run without any delays.
At what time will he arrive at Goppenstein station?
how is it c? thinking skills question
First of all, what does "tsa" in the title mean?
Secondly, you need to show your working out before we can help. The individual is first in a queue of cars which he is car number 421 in the queue (420 cars ahead). Only 70 cars get on the train. So that tells you a few trains will go by before the individual can board a train. You can use this information to work out what time they arrive.