A bus travels at a speed of 30 Km/h for its half part of its journey and the remaining half
part with a speed of 20 Km/h.Calculate average speed of the bus.
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24 km/hr☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺
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