Two trains, 200 m and 140 m long, are running on parallel tracks in the opposite directions at a speed of 60 km/h and 30 km/h, respectively. What will be the time taken by the trains to cross each other completely?

• A. 15 s
• B. \(13\frac{15}{25}\) s
• C. \(13\frac{5}{25}\) s
• D. 14 s