A motor cycle rider moves some distance with a uniform speed of 30 m sec He immediately comes back to the starting point by the

Question

A motor cycle rider moves some distance with a uniform speed of 30 m sec He immediately comes back to the starting point by the same path with a uniform speed of 20 m sec Find out the average velocity of the motor cycle rider A 12 m sec B 50 m sec C 24 m sec DX25 m sc0

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