Question
When the Ratio of speeds of Aman and vinod is given as 9
: 7 respectively. If Aman gives vinod a start of 60 metres then how far must be the winning Line so that Aman and vinod reached there at the same time?Solution
ATQ, we can say that  Ratio of speed of Aman to Vinod = 9 : 7  Time taken by Aman to cover 9 units distance = Time taken by Vinod to cover 7 units distance Aman is 2 units ahead of Vinod in a race of 9 units races.  Therefore, Required distance is =  (9/2) x 60  = 270 metres
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