Mathematics · Speed, Time and Distance
Train 'P' can cross a pole in 8 seconds, while train 'Q' takes 15 seconds to cross train 'P' when they travel in opposite directions on parallel tracks. If the ratio of the length of train 'P' to that of train 'Q' is 2:3 and the speed of train 'P' is 54 km/h, then find the speed of train 'Q'.
- 118 km/h✓
- 222 km/h
- 312 km/h
- 428 km/h
Correct answer
18 km/h
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