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three friends a,b,c run around a circular track of length
120m at a speed of 5,7,15m/sec respectively starting
simultaneously from the same point in the same
direction .how often they three will meet????
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Answer Posted / thilak desingh
Guys, there can be two ways of interpreting,
1) How often they meet at any point
2) How often they meet at starting point
1) LCM { L/a-b , L/b-c} = 60 seconds
2) LCM { L/a , L/b , L/c } ~ 120 seconds
| Is This Answer Correct ? | 3 Yes | 2 No |
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