Henry Ernest Dudeney/Puzzles and Curious Problems/79 - A Cycle Race

Puzzles and Curious Problems by Henry Ernest Dudeney: $79$

A Cycle Race

Two cyclists race on a circular track.

Brown can ride once round the track in six minutes,

and Robinson in four minutes.

In how many minutes will Robinson overtake Brown?

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Locomotion and Speed Puzzles: $79$. -- A Cycle Race
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Speed & Distance Puzzles: $93$. A Bicycle Race