Subject

    Bank Exam

    Topic

    Jamuna Bank, Probationary Officer 2012

    If a person walks at 14 km/hr instead of 10 km/hr, he can cover 20 km more. The actual distance travelled by him is-

    ক)
    50km
    খ)
    56km
    গ)
    70km
    ঘ)
    80km

    Explanation

    Let the actual distance travelled be x km. Time taken to travel x km at 10 km/hr = x/10 hr Time taken to travel x+20 km at 14 km/hr = (x+20)/14 hr Since the time taken is the same, we have: x/10 = (x+20)/14 ⇒14x = 10x + 200 ⇒4x = 200 ⇒x = 50 km Therefore, the actual distance travelled is 50 km.

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