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Q.
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?
A.
6.52
B.
8.140000000000001
C.
4.18
D.
5.02
View Answer
Correct choice: C
Explanation:
Distance to be covered = πD = 40π km Relative speed of bikers = 16 + 14 = 30 kmph. Now, time=dis tan ce/speed = 40π/30 = 4.18 hrs.
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