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    a train of length 250 m crosses a bridge of length 150m in 40 seconds. evaluate speed of train?

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    A train of length 250 m crosses a bridge of length

    Time and Distance Questions & Answers : A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?

    11 Q:

    A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train? 

    Answer:

    Sol : (length of train+ length of bridge) = speed of train x Time

    (250+150) = 20 x Speed

    Speed = 400/20= 20 m/s =72 km/h

    Filed Under: Time and Distance - Quantitative Aptitude - Arithmetic Ability

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    A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?

    A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?

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    A train of length 250 m crosse...

    A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?

    Updated On: 27-06-2022

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    The correct Answer is 72 km/h

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    [Solved] A train of length 250 m crosses a railway station A in 15 se

    Let the length of railway station A = x m And let the speed of train = v m/sec According to question, For railway station A, (x + 250) = v × 15

    Home Quantitative Aptitude Speed Time and Distance Relative Speed

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    A train of length 250 m crosses a railway station A in 15 seconds and crosses a railway station B of length 750 m in 20 seconds then find the length of railway station A.

    500 m 300 m 350 m 400 m 450 m

    Answer (Detailed Solution Below)

    Option 1 : 500 m

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    Detailed Solution

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    Let the length of railway station A = x m

    And let the speed of train = v m/sec

    According to question,

    For railway station A,

    (x + 250) = v × 15       ----(1)

    For railway station B,

    (750 + 250) = v × 20

    ⇒ v = 1000/20 = 50 m/sec      ----(2)

    From (1) and (2) (x + 250) = 50 × 15 ⇒ x = 750 – 250 ⇒ x = 500 m

    ∴ Length of railway station A = 500 m

    Download Solution PDF

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    Mohammed 7 day ago
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    Guys, does anyone know the answer?

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