10. The distance between two stations A and B is 300 km. A train leaves
station A with a speed of 40 km/hr. At the same time another train depar
from the station B with a speed of 50 km/hr. How much time will the
two trains take to cross each other?
A 3 hrs 40 min B. 3 hrs 20 min C. 2 hrs 20 min D. 3 hrs 45
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Answer:
c 2hr 20 min
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