Two trains 100m and 95m long run at the speeds of 45kmph and 72 kmph respectively in opposite directions on parallel tracks. The time which they take to cross the each other is -

• ক 5.6 sec
• খ 6.5 sec
• গ 6 sec ✅ সঠিক উত্তর
• ঘ 5.4 sec