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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?

Correct Answer: 4.18

Explanation:

Distance to be covered =  πD  = 40 π  km 


Relative speed of bikers = 16 + 14 = 30 kmph.


 


Now,  t i m e = d i s tan c e s p e e d  =   40 π 30  = 4.18 hrs.


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