An express traveled at an average speed of 200 km/hr, stopping for 3 min after every 125 kn. How long did it take to reach its destination 800 km from the starting point? Options.
A) 5 hrs 21 min B) 4 hrs 18 min C) 6 hrs 41 min D) 6 hrs 21 min E) 4 hrs 34 min
B   4 hrs 18 min   Time taken to cover 800 km = 800/200= 
<gadget id="calculator">800/200</gadget>
<output>4</output>
4 hrs.   Number of stoppages= 800/125 - 1 = 6   Total time of stoppages = 3 * 6= 
<gadget id="calculator">3 * 6</gadget>
<output>18</output>
18 min   Hence, total time taken= 4 hrs 18 min.
<result>B</result>
An express traveled at an average speed of 200 km/hr, stopping for 3 min after every 125 kn. How long did it take to reach its destination 800 km from the starting point?