A

Admin • 825.56K Points
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Q. A train crosses a car moving at 18 km/h in opposite direction in 8 seconds. If train speed is 54 km/h, what is its length?

  • (A) 120 m
  • (B) 140 m
  • (C) 160 m
  • (D) 180 m
Explanation by: Admin
Relative speed = (54+18)×5/18 = 20 m/s → Length = 20×8 = 160 m.

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