Answers

2014-06-25T16:25:17+05:30
Distance of the track to be covered =100 metres. Speed=distance/time. Speed of first runner=100/10 =10 Speed of second runner=9.80 Speed of thord runner=9.61 Speed of forth runner=9.43 Therefore,10:9.80:9.61:9.43 HOPE IT HELPS... MARK IT AS THE BEST...
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