Multiple Choice Questions on Two goods trains each 1000 m long are running in opposite directions on parallel tracks Their ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two goods trains each 1000 m long are running in opposite directions on parallel tracks Their ...........

Quantitative Aptitude ( CCS) Problems on trains
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     Two goods trains each 1000 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to cross the faster one.

    48 sec

    Incorrect Answer

    96 sec

    Correct Answer

    72 sec

    Incorrect Answer

    60 sec

    Incorrect Answer
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    Explanation:

    Relative speed = (45 + 30) km/hr = 75 * 5/18 = 125/6 m/sec

    Distance to be covered = 2000 m.

    Required time = 2000 * 6/125 = 96 sec

    By: Deepak Dawra
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