Question

    A person crosses a 2400 m long street in 12 min. What is

    his speed (in km/h)?
    A 12 Correct Answer Incorrect Answer
    B 13 Correct Answer Incorrect Answer
    C 17 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    Distance = 2400m = 2.4km Time = 12min =1/5 hour Speed = D /T = 2.4 / (1/5) = 2.4×5 = 12 km/ h

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