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Places A and B are 30 km apart and they ...

Places A and B are 30 km apart and they are on a straight road. Humid travels from A to B on bike. At the same time Joseph starts from B on bike, travels towards A. they meet each other after 20 minutes . If Joseph would have started from B at the same time but in the opposite direction (instead of towards A) Hamid would have caught up with him after 3 hours . find the speed of Hamid and Joseph .

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The correct Answer is:
`:.` Speed of Hamids motorcycle is 50 km/hr. and speed of Joseph's motorcycleis 40 km/ hr.
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