- A40 s
- B19.4 s
- C70 s
- D7.8 s
Step-by-Step Solution
Relative speed km/h m/s. Distance m. Time s. (7.8 s wrongly adds the speeds.)
Answer: C) 70 s
A 200 m train at 90 km/h overtakes a 150 m train running at 72 km/h on the next track. How long does the overtaking take?
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