- A10 km
- B12 km
- C84 km
- D18 km
Step-by-Step Solution
The gap grows at km/h. In h: km. (84 km adds the speeds.)
Answer: B) 12 km
Two trains pull out of Kanpur together on parallel lines, both heading west, at 72 km/h and 54 km/h. How far apart are they after 40 minutes?
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