- A36 km/h
- B64 km/h
- C60 km/h
- D48 km/h
Step-by-Step Solution
The 12 km run at full speed instead of speed saves 5 min: , so km/h.
Answer: D) 48 km/h
After an accident, a train moves at 3/4 of its usual speed and arrives late. Had the accident occurred 12 km further along the line, it would have arrived 5 minutes sooner. What is the usual speed of the train?
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