Ajith and Rana walk around a circular course 115 km in circumference, starting together from the same
point. If they walk at speed of 4 and 5 kmph respectively, in the same direction, when will they meet ? Select.
A) after 20 hours  B) after 115 hours  C) after 115 minutes  D) after 20 minutes  E) after 25 minutes
Rana is the faster person. He gains 1 km in 1 hour. So Rana will gain one complete round over   Ajith in 115 hours. i.e. they will meet after 115 hours.   Answer: after 115 hours
<result>B</result>
Ajith and Rana walk around a circular course 115 km in circumference, starting together from the same
point. If they walk at speed of 4 and 5 kmph respectively, in the same direction, when will they meet ?