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Circular Jogging Track Problem (Posted on 2006-04-12) Difficulty: 3 of 5
Three friends A, B and C regularly jog in circular jogging track every morning. The track is 1000 m in circumference.

A takes 8 mins to complete one lap, B takes 10 mins and 40 secs and C takes 12 mins. One day they decided to find out if they set out together in the same direction from a point what would be the fastest time for all of them to meet at any point on the track. What did they conclude?

The second day C decides to run in the opposite direction from the starting point. When will they all meet? Will this be sooner than the time taken on day one? Where do they meet in both cases?

See The Solution Submitted by Salil    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
circular jogging track problemhugh2006-04-18 23:52:58
Near miss on day twoJer2006-04-13 13:38:00
re(2): Wait a minute.Leming2006-04-13 08:15:05
Questionre: Wait a minute.vilnius2006-04-12 21:13:47
QuestionWait a minute.vilnius2006-04-12 21:11:22
re(2): A start?Dej Mar2006-04-12 11:23:22
re(2): A start?tomarken2006-04-12 11:01:34
Solutionre: A start?Charlie2006-04-12 10:49:51
Some ThoughtsA start?tomarken2006-04-12 09:56:18
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