Question 478700
Train A 	80	kmph							
Train B  	90	kmph							
Train A 		12:25							
Train B  		12:37							
Difference in time=		00:12----	0.2hours					
Train A 	will have covered	16	miles	before 	Train B  		starts	from station	
catch up distance=		16	miles						
catch up speed =		90	-80	mph					
catch up speed =		10	mph						
Catchup time = catchup distance/catch up speed									
catch up time=		16	/	10					
catch up time=		1.6	hours						
catch up time=		96	minutes						
It will catch up at 			14:13	==> 2:13 PM					
m.ananth@hotmail.ca