Question

    A person crosses a 1600 m long street in 4 min. What is his speed (in km/h)?

    A 22 Correct Answer Incorrect Answer
    B 14 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer

    Solution

    1600 m = 1600/1000 = 1.6 km 4 minutes = 4/60 = 1/15 hour Speed = Distance/Time ⇒ 1.6/(1/15) = 24 km/hr ∴ His speed (in km/h) is 24.

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