Road traffic control board has decided speed limit for two wheelers is not more than 50 km/hr on a highway, a motorcyclist travel at a certain average speed for a distance of 63 km. and then travels a distance of 72 km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey. What is (I) its original speed (i) what values shown by motorcyclist?
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