How many minutes does the bus stop per hour, if the speed of the bus including stoppages is 25 kmph and excluding stoppages is 30 kmph?  Choose the correct choice from the following choices
A) 5
B) 9
C) 10
D) 12
E) 15
Explanation:   T = 5/30 * 60= 
<gadget id="calculator">5/30 * 60</gadget>
<output>10</output>
10   Answer: Option 10
<result>C</result>
How many minutes does the bus stop per hour, if the speed of the bus including stoppages is 25 kmph and excluding stoppages is 30 kmph?