- A2 : 3
- B27 : 17
- C1 : 1
- D3 : 2
Step-by-Step Solution
Speeds and : lengths and .
Answer: D) 3 : 2
Two trains running in opposite directions cross a man on the platform in 27 seconds and 17 seconds, and cross each other in 23 seconds. What is the ratio of their speeds?
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