Two trains start from two stations a and b at the same time and proceed to reach at station b and a respectivelyAfter crossing each other these trains take 81 and 49 hours respectively to reach their

Two trains start from two stations a and b at the same time and proceed to reach at station b and a respectively

After crossing each other these trains take 81 and 49 hours respectively to reach their destinations
If the speed of first train 75 kilomete per hour
Then fund the seed of second trqin