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On a morning walk, three people step off...

On a morning walk, three people step off together and their steps measure 40cm, 42 cm and 45 cm respectively. What is the minimum distance each should walk, so that each can covers the same distance in complete steps?

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In a morning walk,three persons step off together and their steps measure 40cm,42cm and 45cm ,respectively.What is the minimum distance each should walk so that each can cover thesame distance in complete steps?

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