Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one.

• ক 24 sec ✅ সঠিক উত্তর
• খ 60 sec
• গ 12 sec
• ঘ 48 sec