The speed of a train is 70 kmph excluding stoppages and including stoppages it is 63 kmph. Of how many minutes does the train stop per hour?  Answers:
A) 3
B) 6
C) 7
D) 9
E) 14
Explanation:   T = 7/70 * 60= 
<gadget id="calculator">7/70 * 60</gadget>
<output>6</output>
6   Answer: Option 6
<result>B</result>
The speed of a train is 70 kmph excluding stoppages and including stoppages it is 63 kmph. Of how many minutes does the train stop per hour?