- A22.5 s
- B27.5 s
- C25 s
- D50 s
Step-by-Step Solution
Lengths and . Speeds and — equal. Crossing: s. (50 s would be the time with only one train moving.)
Answer: C) 25 s
One goods train is 50% longer than another. They pass a signal post in 20 seconds and 30 seconds respectively. How long will they take to cross each other running in opposite directions?
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