Multiple Choice Questions on Two goods trains each 520 m long are running in opposite directions on parallel tracks Their speeds ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two goods trains each 520 m long are running in opposite directions on parallel tracks Their speeds ...........

Quantitative Aptitude ( CCS) Problems on trains
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    Two goods trains each 520 m long, are running in opposite directions on parallel tracks. Their speeds are 42 km/hr and 36 km/hr respectively. Find the time taken by the slower train to cross the driver of the faster one ?

    30 sec

    Incorrect Answer

    36 sec

    Incorrect Answer

    48 sec

    Correct Answer

    60 sec

    Incorrect Answer
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    Explanation:

    Relative speed = 42 + 36 = 78 km/hr = 653m/s

    Distance = (520 + 520) =1040 mts.

    Time = 1040×365 = 48 sec

    Hence, option 3 is the correct answer.

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