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Question

SUSHIL KUMAR SHARMA's image
SUSHIL KUMAR SHARMA
March 16, 2017, 6:38 p.m.
 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