- A6
- B30
- C3
- D9
Step-by-Step Solution
The faster gains 2 m/s, i.e. m in 15 min: passes. (30 uses the sum of speeds.)
Answer: A) 6
How many times does a runner at 6 m/s pass a runner at 4 m/s in 15 minutes, if both start together and go the same way round a 300 m track?
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