Multiple Choice Questions on A train travelling at 78 km hr crosses a girl sitting in a train of length 110 m travelling in the s........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A train travelling at 78 km hr crosses a girl sitting in a train of length 110 m travelling in the s...........

Quantitative Aptitude ( CCS) Problems on trains
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    A train travelling at 78 km/hr crosses a girl sitting in a train of length 110 m travelling in the same direction at 42 km/hr in 20 seconds. The length of the faster train is

    90 m

    Incorrect Answer

    100 m

    Incorrect Answer

    110 m

    Incorrect Answer

    200 m

    Correct Answer
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    Explanation:

    Let the length of the faster train = x

    18x/[5(78-42)]

    = 20→ x=200
    → 200m

    Hence, opton 4 is the correct answer.

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