A scooter travels in and then in

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

A scooter travels 18 km18\,\text{km} in 40 min40\,\text{min} and then 12 km12\,\text{km} in 20 min20\,\text{min}. Calculate its average speed for the whole journey. (a) 36 km/h36\,\text{km/h} (b) 30 km/h30\,\text{km/h} (c) 31.5 km/h31.5\,\text{km/h} (d) 24 km/h24\,\text{km/h}

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