Kiran ride a bicycle for 30 minutes at a speed of $16 \mathrm{~km} / \mathrm{hr}$, then walked for 9

Question

Kiran ride a bicycle for 30 minutes at a speed of $16 \mathrm{~km} / \mathrm{hr}$, then walked for 90 minutes at speed of $4 \mathrm{~km} / \mathrm{hr}$. The overall average speed is

Professor PC Thomas Classes · Answer

Average speed = Total distance / Total time $= 7 	ext{ km/hr}$.