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Two trains are 2 km apart and their leng...

Two trains are 2 km apart and their lengths are 200 m and 300 m. They are approaching towards each other with a speed of 20 m/s and 30 m/s respectively. After how much time will they cross each other.

A

50 seconds

B

100 seconds

C

`(25)/(3)` seconds

D

150 seconds

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Two trains are 2 km apart. Their lengths are 200 m and 300 m. They are approaching towards each other with speed of 20 m//s and 30 m//s respectively. They will cross each other after :

    A
    150 s
    B
    100 s
    C
    50 s
    D
    `(25)/3 s`

  • Two trains are 2 km apart. Their lengths are 200 m and 300 m. They are approaching towards each other with speed of 20 m//s and 30 m//s respectively. They will cross each other after :

    A
    150 s
    B
    100 s
    C
    50 s
    D
    `(25)/3 s`

  • A and B are at a distance of 1.7 km apart and they start running towards each other at a speed of 8 m/s and 9 m/s respectively. After how much time, will they meet each other?

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    1 minute 40 seconds
    B
    1 minute 4 seconds
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    14 minutes
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