ArithmeticTwo trains are moving in the same direction at the speeds of 70 kmph and 90 kmph respectively. The faster train crosses a man sitting in the slower train in 36 sec. Find the length of the faster train.

Two trains are moving in the same direction at the speeds of 70 kmph and 90 kmph respectively. The faster train crosses a man sitting in the slower train in 36 sec. Find the length of the faster train.

  1. A

    200 m

  2. B

    225 m 

  3. C

    250 m

  4. D

    100 m

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    Solution:

    The relative speed =9070=20kmph

    20×518m/s

    The length of the faster train

    =20×518×36=200meters

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