Multiple Choice Questions on A 300 metre long train crosses a platform in 39 seconds while it crosses a post in 18 seconds What i........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A 300 metre long train crosses a platform in 39 seconds while it crosses a post in 18 seconds What i...........

Quantitative Aptitude ( CCS) Problems on trains
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    A 300 metre long train crosses a platform in 39 seconds while it crosses a post in 18 seconds. What is the length of the platform?

    150m

    Incorrect Answer

    350m

    Correct Answer

    400m

    Incorrect Answer

    550m

    Incorrect Answer
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    Explanation:

    Let length of the platform be x metre

    (x+300):300=39:18

    ⇒(x+300):300=13:6

    ⇒6x+1800=3900

    ⇒x=350

    Hence, option 2 is the correct answer.

    By: Amit Kumar
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