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An object had covered 120 km distance, h...

An object had covered 120 km distance, half of this distance was covered at 20 km `h^(-1)` speed and the remaining distance at 30 km `h^(-1).` Then its average speed is said to be `25 km h^(-1) ,`

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Knowledge Check

  • A bus covers 3 equal distances. The first is covered with speed 10 km/h, second with speed 20 km/h and third with 60 km/h, then find its average speed in km/h.

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