Multiple Choice Questions on Train A whose length is 180 m crosses a pole in 9 seconds Another Train B whose length is 120 m runn........... for IBPS(Clerical) Exam Preparation

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Multiple Choice Questions

Train A whose length is 180 m crosses a pole in 9 seconds Another Train B whose length is 120 m runn...........

Quantitative Aptitude(IBPS CL) Time & distance
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    Train A whose length is 180 m crosses a pole in 9 seconds. Another Train B whose length is 120 m running at a speed of 63 kmph crosses Train A while moving in the same direction, Find the time required for Train A to cross Train B. 

    This questions was previously asked in
    IBPS CLERK MAINS (19 JAN 2020)
    View All IBPSCl Previous Year Papers

    120 seconds

    Correct Answer

    130 seconds

    Incorrect Answer

    140 seconds

    Incorrect Answer

    135 seconds 

    Incorrect Answer

    150 seconds

    Incorrect Answer
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    Explanation:

    Correct option 1 : 120 seconds

    Train A whose length is 180 m crooses a pole in 9 seconds.

    So, Speed of Train A = 180/9=20m/s.

    Speed of train B  = 63  x 5/8 = 17.5 m/s

    Calculations

    Relative speed = 20 - 17.5 = 2.5 m/s

    Required time = Total distance / speed

                          = (120+180)/2.5= 120 seconds

    By: Parvesh Mehta
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