Solution Step 0/0
After a cyclist has gone 2/3 his route, he gets a puncture. Finishing on foot, he spends twice as long walking as he did riding.
How many times as fast does he ride as walk?
How many times as fast does he ride as walk?
Explanations
He walks 1/3 of the way, or half as far as he rides, but it takes him twice long. Therefore, he rides four times as fast as he walks.[After Boris A. Kordemsky. The Moscow Puzzles: 359 mathematical recreations. 1972]
Check 3 times
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