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Q. Train A crosses a vertical pole at the
speed of 15 m/s in 20 seconds. Speed of
train A is 3 m/s less than the speed of
train B and length of train B is 30 meter
less than length of train A. Find the time
taken by Train B to cross 270 meter long
platform.

  • (A) 20 seconds
  • (B) 15 seconds
  • (C) 30 seconds
  • (D) 45 seconds
  • Correct Answer - Option(C)
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  • Filed under category Math
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