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4 snails travel in uniform,rectilinear motion on infinite plane surface.the directions of their paths are random,but no parallel, ie any two snails can meet.but no more than two snail paths can cross at any one point.5 of the possible 6(4C2) encounters has taken place.can we state anything about 6th??


4 snails travel in uniform,rectilinear motion on infinite plane surface.the directions of their paths are random,but no parallel, ie any two snails can meet.but no more than two snail paths can cross at any one point.5 of the possible 6(4C2) encounters has taken place.can we state anything about 6th??


Grade:upto college level

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