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1. A train can cross another train of equal length coming form the opposite direction with the speed of 108 km/h in 3 minutes . The speed of the other train is 90 km/h. Find the length of the train .

  • A. 5940 m
  • B. 5940 m
  • C. 5940 m
  • D. 5940 m

Answer: Option C

Explanation:

Let, both trains be equal size of x

Distance Relative speed x time

= > (x + x) = (108 + 90) × (5/18)× (3 × 60)

= > 2x = 198 x (5×18)× 3 × 60

= > 2x = 9900

∴ x = 4950m Ans. 


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