Meetings of train

Concepts On Meeting of Train(ट्रेन की मिलन पर अवधारणा)|Questions On Meeting Of Train(ट्रेन की मिलन पर प्रश्न)|OMR|Summary

Concepts On Meeting of Train(ट्रेन की मिलन पर अवधारणा)|Questions On Meeting Of Train(ट्रेन की मिलन पर प्रश्न)|OMR|Summary

Train 'A' running at a certain speed crosses another train 'B' running at a certain speed in the length of train 'B'? I. The length of both the trains together is 450 meters. II. Train 'A' is slower than train 'B'.

A railway track runs parallel to a road until a turn brings the road to railway crossing. A cyclist rides along the road every day at a constant speed 20 km//hr . He normally meets a train that travels in same direction at the crossing. One day he was late by 25 minutes and met the train 10 km before the railway crossing. Find the speed of the train.

After travelling 3 hours a train meets with an accident due to this it stops for an hour. After this the train moves at 75% speed of its original speed and reaches to destination 4 hours late. If the accident would have occured 150 km ahead in the same line then the train would have reached 3.5 hours late. Then find the distance of journey and the original speed of the train?