Question

From a station two trains travel in
opposite direction at 11 a.m. Their
speed is 40 km / hr and 50 km / hr.
What is the time required
to be 720 kms. distance between the
two trains ?​

Answer 1

Answer:

after 1 hour the distance between the trains is

(40+50) km=90 km

so the time required to be 720 km distance between the two trains is 720/90 hour

=8 hours

Answer 2

Answer:

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