An express traveled at an average speed of 100 km/hr, stopping for 4 min after every 75 km. How long did it take to reach its destination 150 km from the starting point ?
Select.
A) 8 hrs 29 min
B) 6 hrs 28 min
C) 2 hrs 28 min
D) 6 hrs 28 min
E) 1 hr 34 min
Explanation:   Time taken to cover 150 km = 150/100 = 1 hr 30 mins   Number of stoppages = 150/75 - 1= 
<gadget id="calculator">150/75 - 1</gadget>
<output>1</output>
1   Total time of stoppages= 4 x 1 = 4 min   Hence, total time taken = 1 hr 34 min.   Answer: 1 hr 34 min
<result>E</result>
An express traveled at an average speed of 100 km/hr, stopping for 4 min after every 75 km. How long did it take to reach its destination 150 km from the starting point ?