Question

A body travels some distance 50km/h and returns at 60km/h. Find average speed of the body.

Answer 1

Answer:

We know, Average speed = Total distance travelled / Total Time taken

We distance travelled for each journey is d

Therefore, Average Speed = $\frac{ 2d }{ ( \frac{d}{50} +\frac{d}{60} ) }$

                                 We get average speed = $\frac{600}{11}$ km/hr.

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