A

Admin • 825.56K Points
Coach

Q. Two trains cross each other in 18 seconds moving in opposite directions. Their speeds are 50 km/h and 70 km/h. What is their total length?

  • (A) 500 m
  • (B) 550 m
  • (C) 600 m
  • (D) 650 m
Explanation by: Admin
Relative speed =120 km/h =33.33 m/s → Length = 33.33×18 ≈600 m.

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