Train A traveling at 63 kmph can cross a platform 199.5 m long in 21 seconds. How much would train A take to completely cross (from the moment they meet ) train B, 157 m long and traveling at 54 kmph in opposite direction which train A is traveling? (in seconds)

• ক 12
• খ 16
• গ 18
• ঘ 10 ✅ সঠিক উত্তর