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8 years ago
What are the number of meetings when 3 runners are running on a circular track with speeds : a:b:c. in 1) Same direction
2) a,b runs in the same direction,c on the opposite direction
8 years ago
if a<b<c then
for 1 it will be LCM of (b-a,c-a,c-b)
for 2 it will be LCM of (b-a,c+b,c+a)