Did you solve it? Head-spinning bicycle puzzles
by Alex Bellos from on (#3TZFW)
The answers to today's puzzles
In my puzzle blog earlier today I set you the following three challenges:
1) The King of the Mountains went up the col at 15 km an hour and down it at 45 km an hour. It took him two hours in total. Assuming that the distance he travelled up and down are the same, how far is it from the bottom to the top of the col?