New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A train has to cover a distance of 120 km in 10 hours.

    If it covers half journey in 3/5th time, then the speed of covering the remaining distance in the time left has to be:
    A 10 km/hr Correct Answer Incorrect Answer
    B 11.25 km/hr Correct Answer Incorrect Answer
    C 15 km/hr Correct Answer Incorrect Answer
    D 17.5 km/hr Correct Answer Incorrect Answer
    E 13.5 km/hr Correct Answer Incorrect Answer

    Solution

    Speed = Distance/time = 120/10 = 12 km/hr According to the question, New time = 3/5 x 10 = 6 hrs New distance = 1/2 x 120 = 60 km Required speed = Distance left/Time left = 60/4 = 15 km/hr

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