Two bicycle riders started at a speed of 7 m/sec and 8 m/sec on a circular path in opposite directions at the same point. If the circumference of the circle is 300 m, then in what time will they first meet?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 20 sec.
Relative speed = 7 + 8 = 15 m/sec
Time to meet = 300 / 15 = 20 seconds