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A train covers the first 5 km of its jou...

A train covers the first 5 km of its journey at a speed of 30 km/hr and the next 15 km at a speed of 45 km/hr. What is the average speed of the train ?

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Knowledge Check

  • A train covers the first Skm of its journey at a speed of 30km/hr and the next 15km at a speed of 45kmhr. What is the average speed of the train?

    A
    35km/h
    B
    37.5km/h
    C
    39.5km/h
    D
    40.5km/h
  • A bus covers the first 10km of its journey at an average speed of 40 km/h and the remaining 45 km at an speed of 60 km/h. The average speed of the bus for its total journey is

    A
    52.5 km/h
    B
    50 km/h
    C
    57.5 km/h
    D
    55 km/h
  • A bus covers the first 10 km of its journey at an average speed of 40 km/h and the remaining 45 km at an speed of 60 km/h. The average speed of the bus for its total journey is

    A
    52.5 km/h
    B
    50 km/h
    C
    57.5 km/h
    D
    55 km/h
  • Similar Questions

    Explore conceptually related problems

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    A car travels a distance of 45 km at a speed of 15 km/hr. It covers the next 50 km of its journey at the speed of 25 km/hr and the last 25 km of its journey at the speed of 15 km/hr. What is the average speed of the car?

    A car travels a distance of 45 km at a speed of 15 km/hr. It covers the next 50 km of its journey at the speed of 25 km/hr and the last 25 km of its journey at the speed of 15 km/hr. What is the average speed of the car?

    A bus covers the first 10 km of its journey at an average speed of 40 km/hr and the remaining 45 km at an average speed of 60 km/hr. the average speed of the bus for its total journey is

    During a journey of 80 km a train covers first 60km with a speed of 40 km/h and completes the remaining distance with a speed of 20 km/h. What is the average speed of the train during the whole journey?