With out any halt a train travels a certain distance with an average speed of 55 km ph , and with halts it covers the same distance at an average speed of 30 kmph. When it is traveling with halts, how many minutes/per hour does the train halt on an average ?	Choices
A) 48 min.	B) 12min.	C) 15min.	D) 18min.	E) 19min.
With halt in 1 hour the train travels 60km   With out halt for traveling same distance it take 55/30 = 11/6 = 110 minutes   :. 50 minutes is the halting time per hour   48 min.NSWER:48 min.
<result>A</result>
With out any halt a train travels a certain distance with an average speed of 55 km ph , and with halts it covers the same distance at an average speed of 30 kmph. When it is traveling with halts, how many minutes/per hour does the train halt on an average ?