Multiple Choice Questions on A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively...........

Quantitative Aptitude ( CCS) Problems on trains
    Download Solution PDF

    A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train ?

    79.2 km/hr

    Correct Answer

    80 km/hr

    Incorrect Answer

    69.2 km/hr.

    Incorrect Answer

    82 km/hr.

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Problems on trains
    Prepare through Micro-courses
    Try Now
    Explanation:

    Let the length of the train be x metres and its speed by y m/sec.
    Then, x/y = 8 => x = 8y
    Now, (x+264)/20 = y
    8y + 264 = 20y
    y = 22.
    Speed = 22 m/sec = (22*18/5) km/hr = 79.2 km/hr.

    Hence, option 1 is the correct answer.

    Let's Discuss

    Master
    Problems on trains
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free

    Search on abhipedia