Two trains of lengths $150 \text{ m}$ and $250 \text{ m}$ cross each other in $10 \text{ seconds}$ when running in opposite directions. If the speed of the first train is $80 \text{ km/h}$, what is the speed of the second train?
Options:
- A: $54 \text{ km/h}$
- B: $60 \text{ km/h}$
- C: $64 \text{ km/h}$
- D: $72 \text{ km/h}$
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