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    Question

    A person traveled 140 km in 3 hours. For the first 2

    hours, he traveled at 60 km/h. What was his speed during the last hour?
    A 40 km/h Correct Answer Incorrect Answer
    B 50 km/h Correct Answer Incorrect Answer
    C 30 km/h Correct Answer Incorrect Answer
    D 20 km/h Correct Answer Incorrect Answer

    Solution

    Distance covered in the first 2 hours = 60 ├Ч 2 = 120 km. Remaining distance = 140 - 120 = 20 km Speed for remaining journey = 20 km/h Correct Option: d

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