Two bike riders ride in opposite directions around a circular track, starting at the same time from the same point. Biker A rides at a speed of 16 kmph and biker B rides at a speed of 14 kmph. If the track has a diameter of 40 km, after how much time (in hours) will the two bikers meet?
Choices:
A) 8.18 hrs. B) 6.18 hrs. C) 4.18 hrs. D) 1.18 hrs. E) 7.18 hrs.
Explanation:   Distance to be covered = = 40 km   Relative speed of bikers = 16 + 14= 
<gadget id="calculator">16 + 14</gadget>
<output>30</output>
30 kmph.   Now,= = 4.18 hrs.   Answer:4.18 hrs.
<result>C</result>
Two bike riders ride in opposite directions around a circular track, starting at the same time from the same point. Biker A rides at a speed of 16 kmph and biker B rides at a speed of 14 kmph. If the track has a diameter of 40 km, after how much time (in hours) will the two bikers meet?