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

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Solution

In same time they cover $110$ km and $90$ km respectively
Ratio of speeds $= 110 : 90 = 11 : 9$ .

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

In same time they cover 110 km and 90 km respectively Ratio of speeds =110:90=11:9.

In same time they cover $110$ km and $90$ km respectively
Ratio of speeds $= 110 : 90 = 11 : 9$ .