Two trains each of length 100 m moving parallel towards each other at speed 72km/h and 36km/h respectively. In how much time will they cross each other?

Two trains are each 50m long moving parallel towards each other at speeds 10 m/s and 15 m/s respectively, at what time will they pass each other?

Two trains are each 50 m long moving parallel towards each other at speeds 10 ms^(-1) and 15 ms^(-1) respectively, at what time will they pass each other ?

Two trains are each 50 m long moving parallel towards each other at speeds 10 ms^(-1) and 15 ms^(-1) respectively, at what time will they pass each other ?

The distance between Ahmedabad and Surat is 300 km. Two trains set off simultaneously towards each other with speeds 60 km/h and 40 km/h respectively. When will they cross each other?

Two trains are 2 km apart and their lengths are 200 m and 300 m. They are approaching towards each other with a speed of 20 m/s and 30 m/s, respectively. After how much time will they cross each other?