Two trains are moving in opposite direction of 60 km/hr and 90 km/hr . Their lengths are 1.10 km and 0.9 km respectively . The time taken by the slower train to cross the faster train in seconds is :

Two trains are moving in opposite directions at speeds of 60 km/hour and 90 km/hour. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is

Two trains are moving in the opposite directions at speeds of 43 km/h and 51 km/h respectively. The time taken by the slower train to cross a man sitting in the faster train is 9 seconds. What is the length (in metre) of the slower train?

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.