Question

    A car travels 120 km in 1 hour and then travels 80 km in

    1.5 hours. What is the average speed of the car for the entire journey?
    A 50 km/h Correct Answer Incorrect Answer
    B 55 km/h Correct Answer Incorrect Answer
    C 80 km/h Correct Answer Incorrect Answer
    D 65 km/h Correct Answer Incorrect Answer

    Solution

    Total distance = 120 + 80 = 200 km. Total time = 1 + 1.5 = 2.5 hours. Average speed = Total distance / Total time = 200 / 2.5 = 80 km/h. Answer: c) 80 km/h.

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