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

    Question

    A man travels some distance at a speed of 16 km/hr and

    returns at a speed of 12 km/hr. If the total time taken by him is 2 hrs 20 min, the distance is
    A 20 km Correct Answer Incorrect Answer
    B 32 km Correct Answer Incorrect Answer
    C 16 km Correct Answer Incorrect Answer
    D 24 km Correct Answer Incorrect Answer

    Solution

    Let the distance travelled by a man be D km According to the question, Total time taken = 2 hrs 20 min = 2(20/60) = 7/3 hours Total time = T1 + T2 D/16 + D/12 = 7/3 (3D + 4D)/48 = 7/3 7D/48 = 7/3 D = 16 km

    Practice Next

    Relevant for Exams: