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2 trains starting at the same time from 2 stations 200km apart and going in opposite
direction cross each other at a distance of 110km from one of the stations. What is the
ratio of their speeds?

7:03
11:09
18:04
None of these
Explanation:

In same time, they cover 110km & 90 km respectively
so ratio of their speed =110: 90 = 11: 9
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