A bird is tossing (flying to and fro) be...

A bird is tossing (flying to and fro) between two cars moving towards each other on a straight road. One car has speed of `27 km h^(-1)` while the other has the speed of `18 km h^(-1)` . The bird statrs moving from first car towards the other and is moving with the speed of `36 km h^(-1)` when the two cars were separated by 36 km. The total distance covered by the bird is

28.8 km

38.8 km

48.8 km

58.8 km

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