Question

    A train completes a journey in 8hrs with a speed of 80

    km/hr. At what speed must it travel to complete the journey in 4 hrs?
    A 120 km/hr. Correct Answer Incorrect Answer
    B 140 km/hr Correct Answer Incorrect Answer
    C 160 km/hr. Correct Answer Incorrect Answer
    D 150 km/hr. Correct Answer Incorrect Answer

    Solution

    Distance= Speed x Time = 80 x 8 = 640 km. Speed = Distance / time = 640 / 4 = 160 km/hr.

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