Question : Two persons started running on a circular track at a speed of 20 m/s and 30m/s in opposite directions. If the circumference of the circular track is 100 m, find how many distinct points they will cross each other.
Option 1: 2
Option 2: 3
Option 3: 5
Option 4: 10
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Correct Answer: 5
Solution :
The ratio of the speed of both of the runners = 20 : 30 = 2 : 3
So, they will meet 5 times. (sum of the ratio of their speeds)
Hence, the correct answer is 5.
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