X and Y run a 3 km race along a circular course of length 300 m. Their speeds are in the ratio 3:2. If they start together in the same direction, how many times would the first one pass the other (the start-off is not counted as passing)?
A
2
B
3
C
4
D
5
Correct Answer: Option B
Explanation
1. **Standardize Units**: The race is 3 km and the track is 300 m. First, let's make them consistent. 3 km = 3000 m. [47]
2. **Understand 'Passing' on a Circl