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Sunday Times Teaser 2736

by Alan Bergson

Published: 1 March 2015 (link)

Last night I dreamt that I made a train journey on the HS2 line. The journey was a whole number of miles in length and it took less than an hour. From the starting station the train accelerated steadily to its maximum speed of 220 mph, then it continued at that speed for a while, and finally it decelerated steadily to the finishing station. If you took the number of minutes that the train was travelling at a steady speed and reversed the order of its two digits, then you got the number of minutes for the whole journey.

How many miles long was the journey?

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