Multiple Choice Questions on Train A crosses a pole and platform in 18 seconds and 39 seconds respectively The length of platform........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Train A crosses a pole and platform in 18 seconds and 39 seconds respectively The length of platform...........

Quantitative Aptitude ( CCS) Problems on trains
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    Train A crosses a pole and platform in 18 seconds and 39 seconds respectively. The length of platform is 157.5 metre. What will be the length of train B if it is equal to the sum of half of the length of train A and twice the length of the platform?

    382.5 metre

    Correct Answer

    328.5 metre

    Incorrect Answer

    238.5 metre

    Incorrect Answer

    315 metre

    Incorrect Answer
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    Explanation:

    Let, Length of train A = x meter
    ∴ x/18 = (x + 157.5)/39
    = [13x = 6x + 157.5] meter
    = (67.5 + 315) meter
    = 382.5 meter

    By: Pranav Gupta
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