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    A train covers the first 10 hours of its journey at 24 km/h and the remaining 6 hours at a speed of 60 km/h. What will be the average speed of the tra
    Question

    A train covers the first 10 hours of its journey at 24 km/h and the remaining 6 hours at a speed of 60 km/h. What will be the average speed of the train?

    A.

    42.5 km/h

    B.

    36 km/h

    C.

    37.5 km/h

    D.

    42 km/h

    Correct option is C

    Given
    Part 1: 10 hours at 24 km/h
    Part 2: 6 hours at 60 km/h

    Formula Used
    Average Speed = Total DistanceTotal Time\frac{\text{Total Distance}}{\text{Total Time}}​​

    Solution
    Distance 1 = 10 ×\times ​ 24 = 240 km
    Distance 2 = 6 ×\times ​60 = 360 km
    Total Distance = 240 + 360 = 600 km
    Total Time = 10 + 6 = 16 hours
    Average Speed = 60016\frac{600}{16}​ = 37.5 km/h

    Final Answer
    So the correct answer is (c)

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